1231332400

素因数分解:

$2^4\times 5^2\times {\mathrm{31}}^1\times {\mathrm{199}}^1\times {\mathrm{499}}^1$

素因数の和:747

約数の個数: 120

約数和(自身を含む): 3075200000

約数和(自身を除く): 1843867600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 40, 50, 62, 80, 100, 124, 155, 199, 200, 248, 310, 398, 400, 496, 499, 620, 775, 796, 995, 998, 1240, 1550, 1592, 1990, 1996, 2480, 2495, 3100, 3184, 3980, 3992, 4975, 4990, 6169, 6200, 7960, 7984, 9950, 9980, 12338, 12400, 12475, 15469, 15920, 19900, 19960, 24676, 24950, 30845, 30938, 39800, 39920, 49352, 49900, 61690, 61876, 77345, 79600, 98704, 99301, 99800, 123380, 123752, 154225, 154690, 198602, 199600, 246760, 247504, 308450, 309380, 386725, 397204, 493520, 496505, 616900, 618760, 773450, 794408, 993010, 1233800, 1237520, 1546900, 1588816, 1986020, 2467600, 2482525, 3078331, 3093800, 3972040, 4965050, 6156662, 6187600, 7944080, 9930100, 12313324, 15391655, 19860200, 24626648, 30783310, 39720400, 49253296, 61566620, 76958275, 123133240, 153916550, 246266480, 307833100, 615666200, 1231332400]

約数ペア:

[(1, 1231332400), (2, 615666200), (4, 307833100), (5, 246266480), (8, 153916550), (10, 123133240), (16, 76958275), (20, 61566620), (25, 49253296), (31, 39720400), (40, 30783310), (50, 24626648), (62, 19860200), (80, 15391655), (100, 12313324), (124, 9930100), (155, 7944080), (199, 6187600), (200, 6156662), (248, 4965050), (310, 3972040), (398, 3093800), (400, 3078331), (496, 2482525), (499, 2467600), (620, 1986020), (775, 1588816), (796, 1546900), (995, 1237520), (998, 1233800), (1240, 993010), (1550, 794408), (1592, 773450), (1990, 618760), (1996, 616900), (2480, 496505), (2495, 493520), (3100, 397204), (3184, 386725), (3980, 309380), (3992, 308450), (4975, 247504), (4990, 246760), (6169, 199600), (6200, 198602), (7960, 154690), (7984, 154225), (9950, 123752), (9980, 123380), (12338, 99800), (12400, 99301), (12475, 98704), (15469, 79600), (15920, 77345), (19900, 61876), (19960, 61690), (24676, 49900), (24950, 49352), (30845, 39920), (30938, 39800)]