30087640

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{61}}^1$

素因数の和:161

約数の個数: 128

約数和(自身を含む): 80352000

約数和(自身を除く): 50264360

約数列:

[1, 2, 4, 5, 8, 10, 11, 19, 20, 22, 38, 40, 44, 55, 59, 61, 76, 88, 95, 110, 118, 122, 152, 190, 209, 220, 236, 244, 295, 305, 380, 418, 440, 472, 488, 590, 610, 649, 671, 760, 836, 1045, 1121, 1159, 1180, 1220, 1298, 1342, 1672, 2090, 2242, 2318, 2360, 2440, 2596, 2684, 3245, 3355, 3599, 4180, 4484, 4636, 5192, 5368, 5605, 5795, 6490, 6710, 7198, 8360, 8968, 9272, 11210, 11590, 12331, 12749, 12980, 13420, 14396, 17995, 22420, 23180, 24662, 25498, 25960, 26840, 28792, 35990, 39589, 44840, 46360, 49324, 50996, 61655, 63745, 68381, 71980, 79178, 98648, 101992, 123310, 127490, 136762, 143960, 158356, 197945, 246620, 254980, 273524, 316712, 341905, 395890, 493240, 509960, 547048, 683810, 752191, 791780, 1367620, 1504382, 1583560, 2735240, 3008764, 3760955, 6017528, 7521910, 15043820, 30087640]

約数ペア:

[(1, 30087640), (2, 15043820), (4, 7521910), (5, 6017528), (8, 3760955), (10, 3008764), (11, 2735240), (19, 1583560), (20, 1504382), (22, 1367620), (38, 791780), (40, 752191), (44, 683810), (55, 547048), (59, 509960), (61, 493240), (76, 395890), (88, 341905), (95, 316712), (110, 273524), (118, 254980), (122, 246620), (152, 197945), (190, 158356), (209, 143960), (220, 136762), (236, 127490), (244, 123310), (295, 101992), (305, 98648), (380, 79178), (418, 71980), (440, 68381), (472, 63745), (488, 61655), (590, 50996), (610, 49324), (649, 46360), (671, 44840), (760, 39589), (836, 35990), (1045, 28792), (1121, 26840), (1159, 25960), (1180, 25498), (1220, 24662), (1298, 23180), (1342, 22420), (1672, 17995), (2090, 14396), (2242, 13420), (2318, 12980), (2360, 12749), (2440, 12331), (2596, 11590), (2684, 11210), (3245, 9272), (3355, 8968), (3599, 8360), (4180, 7198), (4484, 6710), (4636, 6490), (5192, 5795), (5368, 5605)]