151905455

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1$

素因数の和:240

約数の個数: 64

約数和(自身を含む): 223534080

約数和(自身を除く): 71628625

約数列:

[1, 5, 13, 17, 23, 43, 65, 85, 115, 139, 215, 221, 299, 391, 559, 695, 731, 989, 1105, 1495, 1807, 1955, 2363, 2795, 3197, 3655, 4945, 5083, 5977, 9035, 9503, 11815, 12857, 15985, 16813, 25415, 29885, 30719, 41561, 47515, 54349, 64285, 77701, 84065, 101609, 137471, 153595, 207805, 218569, 271745, 388505, 508045, 687355, 706537, 1092845, 1320917, 1787123, 2337007, 3532685, 6604585, 8935615, 11685035, 30381091, 151905455]

約数ペア:

[(1, 151905455), (5, 30381091), (13, 11685035), (17, 8935615), (23, 6604585), (43, 3532685), (65, 2337007), (85, 1787123), (115, 1320917), (139, 1092845), (215, 706537), (221, 687355), (299, 508045), (391, 388505), (559, 271745), (695, 218569), (731, 207805), (989, 153595), (1105, 137471), (1495, 101609), (1807, 84065), (1955, 77701), (2363, 64285), (2795, 54349), (3197, 47515), (3655, 41561), (4945, 30719), (5083, 29885), (5977, 25415), (9035, 16813), (9503, 15985), (11815, 12857)]