142753520

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19609}}^1$

素因数の和:19642

約数の個数: 80

約数和(自身を含む): 408515520

約数和(自身を除く): 265762000

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 52, 56, 65, 70, 80, 91, 104, 112, 130, 140, 182, 208, 260, 280, 364, 455, 520, 560, 728, 910, 1040, 1456, 1820, 3640, 7280, 19609, 39218, 78436, 98045, 137263, 156872, 196090, 254917, 274526, 313744, 392180, 509834, 549052, 686315, 784360, 1019668, 1098104, 1274585, 1372630, 1568720, 1784419, 2039336, 2196208, 2549170, 2745260, 3568838, 4078672, 5098340, 5490520, 7137676, 8922095, 10196680, 10981040, 14275352, 17844190, 20393360, 28550704, 35688380, 71376760, 142753520]

約数ペア:

[(1, 142753520), (2, 71376760), (4, 35688380), (5, 28550704), (7, 20393360), (8, 17844190), (10, 14275352), (13, 10981040), (14, 10196680), (16, 8922095), (20, 7137676), (26, 5490520), (28, 5098340), (35, 4078672), (40, 3568838), (52, 2745260), (56, 2549170), (65, 2196208), (70, 2039336), (80, 1784419), (91, 1568720), (104, 1372630), (112, 1274585), (130, 1098104), (140, 1019668), (182, 784360), (208, 686315), (260, 549052), (280, 509834), (364, 392180), (455, 313744), (520, 274526), (560, 254917), (728, 196090), (910, 156872), (1040, 137263), (1456, 98045), (1820, 78436), (3640, 39218), (7280, 19609)]