154249480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{821}}^1$

素因数の和:911

約数の個数: 128

約数和(自身を含む): 440328960

約数和(自身を除く): 286079480

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 61, 70, 77, 88, 110, 122, 140, 154, 220, 244, 280, 305, 308, 385, 427, 440, 488, 610, 616, 671, 770, 821, 854, 1220, 1342, 1540, 1642, 1708, 2135, 2440, 2684, 3080, 3284, 3355, 3416, 4105, 4270, 4697, 5368, 5747, 6568, 6710, 8210, 8540, 9031, 9394, 11494, 13420, 16420, 17080, 18062, 18788, 22988, 23485, 26840, 28735, 32840, 36124, 37576, 45155, 45976, 46970, 50081, 57470, 63217, 72248, 90310, 93940, 100162, 114940, 126434, 180620, 187880, 200324, 229880, 250405, 252868, 316085, 350567, 361240, 400648, 500810, 505736, 550891, 632170, 701134, 1001620, 1101782, 1264340, 1402268, 1752835, 2003240, 2203564, 2528680, 2754455, 2804536, 3505670, 3856237, 4407128, 5508910, 7011340, 7712474, 11017820, 14022680, 15424948, 19281185, 22035640, 30849896, 38562370, 77124740, 154249480]

約数ペア:

[(1, 154249480), (2, 77124740), (4, 38562370), (5, 30849896), (7, 22035640), (8, 19281185), (10, 15424948), (11, 14022680), (14, 11017820), (20, 7712474), (22, 7011340), (28, 5508910), (35, 4407128), (40, 3856237), (44, 3505670), (55, 2804536), (56, 2754455), (61, 2528680), (70, 2203564), (77, 2003240), (88, 1752835), (110, 1402268), (122, 1264340), (140, 1101782), (154, 1001620), (220, 701134), (244, 632170), (280, 550891), (305, 505736), (308, 500810), (385, 400648), (427, 361240), (440, 350567), (488, 316085), (610, 252868), (616, 250405), (671, 229880), (770, 200324), (821, 187880), (854, 180620), (1220, 126434), (1342, 114940), (1540, 100162), (1642, 93940), (1708, 90310), (2135, 72248), (2440, 63217), (2684, 57470), (3080, 50081), (3284, 46970), (3355, 45976), (3416, 45155), (4105, 37576), (4270, 36124), (4697, 32840), (5368, 28735), (5747, 26840), (6568, 23485), (6710, 22988), (8210, 18788), (8540, 18062), (9031, 17080), (9394, 16420), (11494, 13420)]