161855142625

素因数分解:

$5^3\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{491}}^1\times {\mathrm{1609}}^1$

素因数の和:2275

約数の個数: 64

約数和(自身を含む): 222427296000

約数和(自身を除く): 60572153375

約数列:

[1, 5, 11, 25, 55, 125, 149, 275, 491, 745, 1375, 1609, 1639, 2455, 3725, 5401, 8045, 8195, 12275, 17699, 18625, 27005, 40225, 40975, 61375, 73159, 88495, 135025, 201125, 204875, 239741, 365795, 442475, 675125, 790019, 804749, 1198705, 1828975, 2212375, 2637151, 3950095, 4023745, 5993525, 8690209, 9144875, 13185755, 19750475, 20118725, 29967625, 43451045, 65928775, 98752375, 100593625, 117712831, 217255225, 329643875, 588564155, 1086276125, 1294841141, 2942820775, 6474205705, 14714103875, 32371028525, 161855142625]

約数ペア:

[(1, 161855142625), (5, 32371028525), (11, 14714103875), (25, 6474205705), (55, 2942820775), (125, 1294841141), (149, 1086276125), (275, 588564155), (491, 329643875), (745, 217255225), (1375, 117712831), (1609, 100593625), (1639, 98752375), (2455, 65928775), (3725, 43451045), (5401, 29967625), (8045, 20118725), (8195, 19750475), (12275, 13185755), (17699, 9144875), (18625, 8690209), (27005, 5993525), (40225, 4023745), (40975, 3950095), (61375, 2637151), (73159, 2212375), (88495, 1828975), (135025, 1198705), (201125, 804749), (204875, 790019), (239741, 675125), (365795, 442475)]