668261250

素因数分解:

$2^1\times 3^2\times 5^4\times {\mathrm{191}}^1\times {\mathrm{311}}^1$

素因数の和:530

約数の個数: 120

約数和(自身を含む): 1824615936

約数和(自身を除く): 1156354686

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 30, 45, 50, 75, 90, 125, 150, 191, 225, 250, 311, 375, 382, 450, 573, 622, 625, 750, 933, 955, 1125, 1146, 1250, 1555, 1719, 1866, 1875, 1910, 2250, 2799, 2865, 3110, 3438, 3750, 4665, 4775, 5598, 5625, 5730, 7775, 8595, 9330, 9550, 11250, 13995, 14325, 15550, 17190, 23325, 23875, 27990, 28650, 38875, 42975, 46650, 47750, 59401, 69975, 71625, 77750, 85950, 116625, 118802, 119375, 139950, 143250, 178203, 194375, 214875, 233250, 238750, 297005, 349875, 356406, 358125, 388750, 429750, 534609, 583125, 594010, 699750, 716250, 891015, 1069218, 1074375, 1166250, 1485025, 1749375, 1782030, 2148750, 2673045, 2970050, 3498750, 4455075, 5346090, 7425125, 8910150, 13365225, 14850250, 22275375, 26730450, 37125625, 44550750, 66826125, 74251250, 111376875, 133652250, 222753750, 334130625, 668261250]

約数ペア:

[(1, 668261250), (2, 334130625), (3, 222753750), (5, 133652250), (6, 111376875), (9, 74251250), (10, 66826125), (15, 44550750), (18, 37125625), (25, 26730450), (30, 22275375), (45, 14850250), (50, 13365225), (75, 8910150), (90, 7425125), (125, 5346090), (150, 4455075), (191, 3498750), (225, 2970050), (250, 2673045), (311, 2148750), (375, 1782030), (382, 1749375), (450, 1485025), (573, 1166250), (622, 1074375), (625, 1069218), (750, 891015), (933, 716250), (955, 699750), (1125, 594010), (1146, 583125), (1250, 534609), (1555, 429750), (1719, 388750), (1866, 358125), (1875, 356406), (1910, 349875), (2250, 297005), (2799, 238750), (2865, 233250), (3110, 214875), (3438, 194375), (3750, 178203), (4665, 143250), (4775, 139950), (5598, 119375), (5625, 118802), (5730, 116625), (7775, 85950), (8595, 77750), (9330, 71625), (9550, 69975), (11250, 59401), (13995, 47750), (14325, 46650), (15550, 42975), (17190, 38875), (23325, 28650), (23875, 27990)]