128459412

素因数分解:

$2^2\times 3^3\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1$

素因数の和:159

約数の個数: 192

約数和(自身を含む): 379975680

約数和(自身を除く): 251516268

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 27, 31, 34, 36, 37, 51, 54, 61, 62, 68, 74, 93, 102, 108, 111, 122, 124, 148, 153, 183, 186, 204, 222, 244, 279, 306, 333, 366, 372, 444, 459, 527, 549, 558, 612, 629, 666, 732, 837, 918, 999, 1037, 1054, 1098, 1116, 1147, 1258, 1332, 1581, 1647, 1674, 1836, 1887, 1891, 1998, 2074, 2108, 2196, 2257, 2294, 2516, 3111, 3162, 3294, 3348, 3441, 3774, 3782, 3996, 4148, 4514, 4588, 4743, 5661, 5673, 6222, 6324, 6588, 6771, 6882, 7548, 7564, 9028, 9333, 9486, 10323, 11322, 11346, 12444, 13542, 13764, 14229, 16983, 17019, 18666, 18972, 19499, 20313, 20646, 22644, 22692, 27084, 27999, 28458, 30969, 32147, 33966, 34038, 37332, 38369, 38998, 40626, 41292, 51057, 55998, 56916, 58497, 60939, 61938, 64294, 67932, 68076, 69967, 76738, 77996, 81252, 96441, 102114, 111996, 115107, 116994, 121878, 123876, 128588, 139934, 153476, 175491, 192882, 204228, 209901, 230214, 233988, 243756, 279868, 289323, 345321, 350982, 385764, 419802, 460428, 526473, 578646, 629703, 690642, 701964, 839604, 867969, 1035963, 1052946, 1157292, 1189439, 1259406, 1381284, 1735938, 1889109, 2071926, 2105892, 2378878, 2518812, 3471876, 3568317, 3778218, 4143852, 4757756, 7136634, 7556436, 10704951, 14273268, 21409902, 32114853, 42819804, 64229706, 128459412]

約数ペア:

[(1, 128459412), (2, 64229706), (3, 42819804), (4, 32114853), (6, 21409902), (9, 14273268), (12, 10704951), (17, 7556436), (18, 7136634), (27, 4757756), (31, 4143852), (34, 3778218), (36, 3568317), (37, 3471876), (51, 2518812), (54, 2378878), (61, 2105892), (62, 2071926), (68, 1889109), (74, 1735938), (93, 1381284), (102, 1259406), (108, 1189439), (111, 1157292), (122, 1052946), (124, 1035963), (148, 867969), (153, 839604), (183, 701964), (186, 690642), (204, 629703), (222, 578646), (244, 526473), (279, 460428), (306, 419802), (333, 385764), (366, 350982), (372, 345321), (444, 289323), (459, 279868), (527, 243756), (549, 233988), (558, 230214), (612, 209901), (629, 204228), (666, 192882), (732, 175491), (837, 153476), (918, 139934), (999, 128588), (1037, 123876), (1054, 121878), (1098, 116994), (1116, 115107), (1147, 111996), (1258, 102114), (1332, 96441), (1581, 81252), (1647, 77996), (1674, 76738), (1836, 69967), (1887, 68076), (1891, 67932), (1998, 64294), (2074, 61938), (2108, 60939), (2196, 58497), (2257, 56916), (2294, 55998), (2516, 51057), (3111, 41292), (3162, 40626), (3294, 38998), (3348, 38369), (3441, 37332), (3774, 34038), (3782, 33966), (3996, 32147), (4148, 30969), (4514, 28458), (4588, 27999), (4743, 27084), (5661, 22692), (5673, 22644), (6222, 20646), (6324, 20313), (6588, 19499), (6771, 18972), (6882, 18666), (7548, 17019), (7564, 16983), (9028, 14229), (9333, 13764), (9486, 13542), (10323, 12444), (11322, 11346)]