128754780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^2$

素因数の和:121

約数の個数: 288

約数和(自身を含む): 480453120

約数和(自身を除く): 351698340

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 11, 12, 14, 15, 20, 21, 22, 28, 29, 30, 31, 33, 35, 42, 44, 55, 58, 60, 62, 66, 70, 77, 84, 87, 93, 105, 110, 116, 124, 132, 140, 145, 154, 155, 165, 174, 186, 203, 210, 217, 220, 231, 290, 308, 310, 319, 330, 341, 348, 372, 385, 406, 420, 434, 435, 462, 465, 580, 609, 620, 638, 651, 660, 682, 770, 812, 868, 870, 899, 924, 930, 957, 961, 1015, 1023, 1085, 1155, 1218, 1276, 1302, 1364, 1540, 1595, 1705, 1740, 1798, 1860, 1914, 1922, 2030, 2046, 2170, 2233, 2310, 2387, 2436, 2604, 2697, 2883, 3045, 3190, 3255, 3410, 3596, 3828, 3844, 4060, 4092, 4340, 4466, 4495, 4620, 4774, 4785, 4805, 5115, 5394, 5766, 6090, 6293, 6380, 6510, 6699, 6727, 6820, 7161, 8932, 8990, 9548, 9570, 9610, 9889, 10230, 10571, 10788, 11165, 11532, 11935, 12180, 12586, 13020, 13398, 13454, 13485, 14322, 14415, 17980, 18879, 19140, 19220, 19778, 20181, 20460, 21142, 22330, 23870, 25172, 26796, 26908, 26970, 27869, 28644, 28830, 29667, 31465, 31713, 33495, 33635, 35805, 37758, 39556, 40362, 42284, 44660, 47740, 49445, 52855, 53940, 55738, 57660, 59334, 62930, 63426, 66990, 67270, 69223, 71610, 73997, 75516, 80724, 83607, 94395, 98890, 100905, 105710, 111476, 118668, 125860, 126852, 133980, 134540, 138446, 139345, 143220, 147994, 148335, 158565, 167214, 188790, 195083, 197780, 201810, 207669, 211420, 221991, 276892, 278690, 295988, 296670, 306559, 317130, 334428, 346115, 369985, 377580, 390166, 403620, 415338, 418035, 443982, 557380, 585249, 593340, 613118, 634260, 692230, 739970, 780332, 830676, 836070, 887964, 919677, 975415, 1038345, 1109955, 1170498, 1226236, 1384460, 1479940, 1532795, 1672140, 1839354, 1950830, 2076690, 2145913, 2219910, 2340996, 2926245, 3065590, 3678708, 3901660, 4153380, 4291826, 4439820, 4598385, 5852490, 6131180, 6437739, 8583652, 9196770, 10729565, 11704980, 12875478, 18393540, 21459130, 25750956, 32188695, 42918260, 64377390, 128754780]

約数ペア:

[(1, 128754780), (2, 64377390), (3, 42918260), (4, 32188695), (5, 25750956), (6, 21459130), (7, 18393540), (10, 12875478), (11, 11704980), (12, 10729565), (14, 9196770), (15, 8583652), (20, 6437739), (21, 6131180), (22, 5852490), (28, 4598385), (29, 4439820), (30, 4291826), (31, 4153380), (33, 3901660), (35, 3678708), (42, 3065590), (44, 2926245), (55, 2340996), (58, 2219910), (60, 2145913), (62, 2076690), (66, 1950830), (70, 1839354), (77, 1672140), (84, 1532795), (87, 1479940), (93, 1384460), (105, 1226236), (110, 1170498), (116, 1109955), (124, 1038345), (132, 975415), (140, 919677), (145, 887964), (154, 836070), (155, 830676), (165, 780332), (174, 739970), (186, 692230), (203, 634260), (210, 613118), (217, 593340), (220, 585249), (231, 557380), (290, 443982), (308, 418035), (310, 415338), (319, 403620), (330, 390166), (341, 377580), (348, 369985), (372, 346115), (385, 334428), (406, 317130), (420, 306559), (434, 296670), (435, 295988), (462, 278690), (465, 276892), (580, 221991), (609, 211420), (620, 207669), (638, 201810), (651, 197780), (660, 195083), (682, 188790), (770, 167214), (812, 158565), (868, 148335), (870, 147994), (899, 143220), (924, 139345), (930, 138446), (957, 134540), (961, 133980), (1015, 126852), (1023, 125860), (1085, 118668), (1155, 111476), (1218, 105710), (1276, 100905), (1302, 98890), (1364, 94395), (1540, 83607), (1595, 80724), (1705, 75516), (1740, 73997), (1798, 71610), (1860, 69223), (1914, 67270), (1922, 66990), (2030, 63426), (2046, 62930), (2170, 59334), (2233, 57660), (2310, 55738), (2387, 53940), (2436, 52855), (2604, 49445), (2697, 47740), (2883, 44660), (3045, 42284), (3190, 40362), (3255, 39556), (3410, 37758), (3596, 35805), (3828, 33635), (3844, 33495), (4060, 31713), (4092, 31465), (4340, 29667), (4466, 28830), (4495, 28644), (4620, 27869), (4774, 26970), (4785, 26908), (4805, 26796), (5115, 25172), (5394, 23870), (5766, 22330), (6090, 21142), (6293, 20460), (6380, 20181), (6510, 19778), (6699, 19220), (6727, 19140), (6820, 18879), (7161, 17980), (8932, 14415), (8990, 14322), (9548, 13485), (9570, 13454), (9610, 13398), (9889, 13020), (10230, 12586), (10571, 12180), (10788, 11935), (11165, 11532)]