643606128

素因数分解:

$2^4\times 3^3\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{257}}^1$

素因数の和:333

約数の個数: 320

約数和(自身を含む): 2211287040

約数和(自身を除く): 1567680912

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 16, 17, 18, 22, 24, 27, 31, 33, 34, 36, 44, 48, 51, 54, 62, 66, 68, 72, 88, 93, 99, 102, 108, 124, 132, 136, 144, 153, 176, 186, 187, 198, 204, 216, 248, 257, 264, 272, 279, 297, 306, 341, 372, 374, 396, 408, 432, 459, 496, 514, 527, 528, 558, 561, 594, 612, 682, 744, 748, 771, 792, 816, 837, 918, 1023, 1028, 1054, 1116, 1122, 1188, 1224, 1364, 1488, 1496, 1542, 1581, 1584, 1674, 1683, 1836, 2046, 2056, 2108, 2232, 2244, 2313, 2376, 2448, 2728, 2827, 2992, 3069, 3084, 3162, 3348, 3366, 3672, 4092, 4112, 4216, 4369, 4464, 4488, 4626, 4743, 4752, 5049, 5456, 5654, 5797, 6138, 6168, 6324, 6696, 6732, 6939, 7344, 7967, 8184, 8432, 8481, 8738, 8976, 9207, 9252, 9486, 10098, 11308, 11594, 12276, 12336, 12648, 13107, 13392, 13464, 13878, 14229, 15934, 16368, 16962, 17391, 17476, 18414, 18504, 18972, 20196, 22616, 23188, 23901, 24552, 25296, 25443, 26214, 26928, 27756, 28458, 31868, 33924, 34782, 34952, 36828, 37008, 37944, 39321, 40392, 45232, 46376, 47802, 48059, 49104, 50886, 52173, 52428, 55512, 56916, 63736, 67848, 69564, 69904, 71703, 73656, 75888, 76329, 78642, 80784, 87637, 92752, 95604, 96118, 101772, 104346, 104856, 111024, 113832, 117963, 127472, 135439, 135696, 139128, 143406, 144177, 147312, 152658, 156519, 157284, 175274, 191208, 192236, 203544, 208692, 209712, 215109, 227664, 235926, 262911, 270878, 278256, 286812, 288354, 305316, 313038, 314568, 350548, 382416, 384472, 406317, 407088, 417384, 430218, 432531, 471852, 525822, 541756, 573624, 576708, 610632, 626076, 629136, 701096, 768944, 788733, 812634, 834768, 860436, 865062, 943704, 1051644, 1083512, 1147248, 1153416, 1218951, 1221264, 1252152, 1297593, 1402192, 1489829, 1577466, 1625268, 1720872, 1730124, 1887408, 2103288, 2167024, 2306832, 2366199, 2437902, 2504304, 2595186, 2979658, 3154932, 3250536, 3441744, 3460248, 3656853, 4206576, 4469487, 4732398, 4875804, 5190372, 5959316, 6309864, 6501072, 6920496, 7313706, 8938974, 9464796, 9751608, 10380744, 11918632, 12619728, 13408461, 14627412, 17877948, 18929592, 19503216, 20761488, 23837264, 26816922, 29254824, 35755896, 37859184, 40225383, 53633844, 58509648, 71511792, 80450766, 107267688, 160901532, 214535376, 321803064, 643606128]

約数ペア:

[(1, 643606128), (2, 321803064), (3, 214535376), (4, 160901532), (6, 107267688), (8, 80450766), (9, 71511792), (11, 58509648), (12, 53633844), (16, 40225383), (17, 37859184), (18, 35755896), (22, 29254824), (24, 26816922), (27, 23837264), (31, 20761488), (33, 19503216), (34, 18929592), (36, 17877948), (44, 14627412), (48, 13408461), (51, 12619728), (54, 11918632), (62, 10380744), (66, 9751608), (68, 9464796), (72, 8938974), (88, 7313706), (93, 6920496), (99, 6501072), (102, 6309864), (108, 5959316), (124, 5190372), (132, 4875804), (136, 4732398), (144, 4469487), (153, 4206576), (176, 3656853), (186, 3460248), (187, 3441744), (198, 3250536), (204, 3154932), (216, 2979658), (248, 2595186), (257, 2504304), (264, 2437902), (272, 2366199), (279, 2306832), (297, 2167024), (306, 2103288), (341, 1887408), (372, 1730124), (374, 1720872), (396, 1625268), (408, 1577466), (432, 1489829), (459, 1402192), (496, 1297593), (514, 1252152), (527, 1221264), (528, 1218951), (558, 1153416), (561, 1147248), (594, 1083512), (612, 1051644), (682, 943704), (744, 865062), (748, 860436), (771, 834768), (792, 812634), (816, 788733), (837, 768944), (918, 701096), (1023, 629136), (1028, 626076), (1054, 610632), (1116, 576708), (1122, 573624), (1188, 541756), (1224, 525822), (1364, 471852), (1488, 432531), (1496, 430218), (1542, 417384), (1581, 407088), (1584, 406317), (1674, 384472), (1683, 382416), (1836, 350548), (2046, 314568), (2056, 313038), (2108, 305316), (2232, 288354), (2244, 286812), (2313, 278256), (2376, 270878), (2448, 262911), (2728, 235926), (2827, 227664), (2992, 215109), (3069, 209712), (3084, 208692), (3162, 203544), (3348, 192236), (3366, 191208), (3672, 175274), (4092, 157284), (4112, 156519), (4216, 152658), (4369, 147312), (4464, 144177), (4488, 143406), (4626, 139128), (4743, 135696), (4752, 135439), (5049, 127472), (5456, 117963), (5654, 113832), (5797, 111024), (6138, 104856), (6168, 104346), (6324, 101772), (6696, 96118), (6732, 95604), (6939, 92752), (7344, 87637), (7967, 80784), (8184, 78642), (8432, 76329), (8481, 75888), (8738, 73656), (8976, 71703), (9207, 69904), (9252, 69564), (9486, 67848), (10098, 63736), (11308, 56916), (11594, 55512), (12276, 52428), (12336, 52173), (12648, 50886), (13107, 49104), (13392, 48059), (13464, 47802), (13878, 46376), (14229, 45232), (15934, 40392), (16368, 39321), (16962, 37944), (17391, 37008), (17476, 36828), (18414, 34952), (18504, 34782), (18972, 33924), (20196, 31868), (22616, 28458), (23188, 27756), (23901, 26928), (24552, 26214), (25296, 25443)]