64177500

素因数分解:

$2^2\times 3^1\times 5^4\times {\mathrm{43}}^1\times {\mathrm{199}}^1$

素因数の和:269

約数の個数: 120

約数和(自身を含む): 192438400

約数和(自身を除く): 128260900

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 43, 50, 60, 75, 86, 100, 125, 129, 150, 172, 199, 215, 250, 258, 300, 375, 398, 430, 500, 516, 597, 625, 645, 750, 796, 860, 995, 1075, 1194, 1250, 1290, 1500, 1875, 1990, 2150, 2388, 2500, 2580, 2985, 3225, 3750, 3980, 4300, 4975, 5375, 5970, 6450, 7500, 8557, 9950, 10750, 11940, 12900, 14925, 16125, 17114, 19900, 21500, 24875, 25671, 26875, 29850, 32250, 34228, 42785, 49750, 51342, 53750, 59700, 64500, 74625, 80625, 85570, 99500, 102684, 107500, 124375, 128355, 149250, 161250, 171140, 213925, 248750, 256710, 298500, 322500, 373125, 427850, 497500, 513420, 641775, 746250, 855700, 1069625, 1283550, 1492500, 2139250, 2567100, 3208875, 4278500, 5348125, 6417750, 10696250, 12835500, 16044375, 21392500, 32088750, 64177500]

約数ペア:

[(1, 64177500), (2, 32088750), (3, 21392500), (4, 16044375), (5, 12835500), (6, 10696250), (10, 6417750), (12, 5348125), (15, 4278500), (20, 3208875), (25, 2567100), (30, 2139250), (43, 1492500), (50, 1283550), (60, 1069625), (75, 855700), (86, 746250), (100, 641775), (125, 513420), (129, 497500), (150, 427850), (172, 373125), (199, 322500), (215, 298500), (250, 256710), (258, 248750), (300, 213925), (375, 171140), (398, 161250), (430, 149250), (500, 128355), (516, 124375), (597, 107500), (625, 102684), (645, 99500), (750, 85570), (796, 80625), (860, 74625), (995, 64500), (1075, 59700), (1194, 53750), (1250, 51342), (1290, 49750), (1500, 42785), (1875, 34228), (1990, 32250), (2150, 29850), (2388, 26875), (2500, 25671), (2580, 24875), (2985, 21500), (3225, 19900), (3750, 17114), (3980, 16125), (4300, 14925), (4975, 12900), (5375, 11940), (5970, 10750), (6450, 9950), (7500, 8557)]