31038750

素因数分解:

$2^1\times 3^2\times 5^4\times {\mathrm{31}}^1\times {\mathrm{89}}^1$

素因数の和:148

約数の個数: 120

約数和(自身を含む): 87721920

約数和(自身を除く): 56683170

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 30, 31, 45, 50, 62, 75, 89, 90, 93, 125, 150, 155, 178, 186, 225, 250, 267, 279, 310, 375, 445, 450, 465, 534, 558, 625, 750, 775, 801, 890, 930, 1125, 1250, 1335, 1395, 1550, 1602, 1875, 2225, 2250, 2325, 2670, 2759, 2790, 3750, 3875, 4005, 4450, 4650, 5518, 5625, 6675, 6975, 7750, 8010, 8277, 11125, 11250, 11625, 13350, 13795, 13950, 16554, 19375, 20025, 22250, 23250, 24831, 27590, 33375, 34875, 38750, 40050, 41385, 49662, 55625, 58125, 66750, 68975, 69750, 82770, 100125, 111250, 116250, 124155, 137950, 166875, 174375, 200250, 206925, 248310, 333750, 344875, 348750, 413850, 500625, 620775, 689750, 1001250, 1034625, 1241550, 1724375, 2069250, 3103875, 3448750, 5173125, 6207750, 10346250, 15519375, 31038750]

約数ペア:

[(1, 31038750), (2, 15519375), (3, 10346250), (5, 6207750), (6, 5173125), (9, 3448750), (10, 3103875), (15, 2069250), (18, 1724375), (25, 1241550), (30, 1034625), (31, 1001250), (45, 689750), (50, 620775), (62, 500625), (75, 413850), (89, 348750), (90, 344875), (93, 333750), (125, 248310), (150, 206925), (155, 200250), (178, 174375), (186, 166875), (225, 137950), (250, 124155), (267, 116250), (279, 111250), (310, 100125), (375, 82770), (445, 69750), (450, 68975), (465, 66750), (534, 58125), (558, 55625), (625, 49662), (750, 41385), (775, 40050), (801, 38750), (890, 34875), (930, 33375), (1125, 27590), (1250, 24831), (1335, 23250), (1395, 22250), (1550, 20025), (1602, 19375), (1875, 16554), (2225, 13950), (2250, 13795), (2325, 13350), (2670, 11625), (2759, 11250), (2790, 11125), (3750, 8277), (3875, 8010), (4005, 7750), (4450, 6975), (4650, 6675), (5518, 5625)]