15693750

素因数分解:

$2^1\times 3^4\times 5^5\times {\mathrm{31}}^1$

素因数の和:70

約数の個数: 120

約数和(自身を含む): 45372096

約数和(自身を除く): 29678346

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 27, 30, 31, 45, 50, 54, 62, 75, 81, 90, 93, 125, 135, 150, 155, 162, 186, 225, 250, 270, 279, 310, 375, 405, 450, 465, 558, 625, 675, 750, 775, 810, 837, 930, 1125, 1250, 1350, 1395, 1550, 1674, 1875, 2025, 2250, 2325, 2511, 2790, 3125, 3375, 3750, 3875, 4050, 4185, 4650, 5022, 5625, 6250, 6750, 6975, 7750, 8370, 9375, 10125, 11250, 11625, 12555, 13950, 16875, 18750, 19375, 20250, 20925, 23250, 25110, 28125, 33750, 34875, 38750, 41850, 50625, 56250, 58125, 62775, 69750, 84375, 96875, 101250, 104625, 116250, 125550, 168750, 174375, 193750, 209250, 253125, 290625, 313875, 348750, 506250, 523125, 581250, 627750, 871875, 1046250, 1569375, 1743750, 2615625, 3138750, 5231250, 7846875, 15693750]

約数ペア:

[(1, 15693750), (2, 7846875), (3, 5231250), (5, 3138750), (6, 2615625), (9, 1743750), (10, 1569375), (15, 1046250), (18, 871875), (25, 627750), (27, 581250), (30, 523125), (31, 506250), (45, 348750), (50, 313875), (54, 290625), (62, 253125), (75, 209250), (81, 193750), (90, 174375), (93, 168750), (125, 125550), (135, 116250), (150, 104625), (155, 101250), (162, 96875), (186, 84375), (225, 69750), (250, 62775), (270, 58125), (279, 56250), (310, 50625), (375, 41850), (405, 38750), (450, 34875), (465, 33750), (558, 28125), (625, 25110), (675, 23250), (750, 20925), (775, 20250), (810, 19375), (837, 18750), (930, 16875), (1125, 13950), (1250, 12555), (1350, 11625), (1395, 11250), (1550, 10125), (1674, 9375), (1875, 8370), (2025, 7750), (2250, 6975), (2325, 6750), (2511, 6250), (2790, 5625), (3125, 5022), (3375, 4650), (3750, 4185), (3875, 4050)]