164156625

素因数分解:

$3^4\times 5^3\times {\mathrm{31}}^1\times {\mathrm{523}}^1$

素因数の和:581

約数の個数: 80

約数和(自身を含む): 316512768

約数和(自身を除く): 152356143

約数列:

[1, 3, 5, 9, 15, 25, 27, 31, 45, 75, 81, 93, 125, 135, 155, 225, 279, 375, 405, 465, 523, 675, 775, 837, 1125, 1395, 1569, 2025, 2325, 2511, 2615, 3375, 3875, 4185, 4707, 6975, 7845, 10125, 11625, 12555, 13075, 14121, 16213, 20925, 23535, 34875, 39225, 42363, 48639, 62775, 65375, 70605, 81065, 104625, 117675, 145917, 196125, 211815, 243195, 313875, 353025, 405325, 437751, 588375, 729585, 1059075, 1215975, 1313253, 1765125, 2026625, 2188755, 3647925, 5295375, 6079875, 6566265, 10943775, 18239625, 32831325, 54718875, 164156625]

約数ペア:

[(1, 164156625), (3, 54718875), (5, 32831325), (9, 18239625), (15, 10943775), (25, 6566265), (27, 6079875), (31, 5295375), (45, 3647925), (75, 2188755), (81, 2026625), (93, 1765125), (125, 1313253), (135, 1215975), (155, 1059075), (225, 729585), (279, 588375), (375, 437751), (405, 405325), (465, 353025), (523, 313875), (675, 243195), (775, 211815), (837, 196125), (1125, 145917), (1395, 117675), (1569, 104625), (2025, 81065), (2325, 70605), (2511, 65375), (2615, 62775), (3375, 48639), (3875, 42363), (4185, 39225), (4707, 34875), (6975, 23535), (7845, 20925), (10125, 16213), (11625, 14121), (12555, 13075)]