7312500

素因数分解:

$2^2\times 3^2\times 5^6\times {\mathrm{13}}^1$

素因数の和:53

約数の個数: 126

約数和(自身を含む): 24882494

約数和(自身を除く): 17569994

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 25, 26, 30, 36, 39, 45, 50, 52, 60, 65, 75, 78, 90, 100, 117, 125, 130, 150, 156, 180, 195, 225, 234, 250, 260, 300, 325, 375, 390, 450, 468, 500, 585, 625, 650, 750, 780, 900, 975, 1125, 1170, 1250, 1300, 1500, 1625, 1875, 1950, 2250, 2340, 2500, 2925, 3125, 3250, 3750, 3900, 4500, 4875, 5625, 5850, 6250, 6500, 7500, 8125, 9375, 9750, 11250, 11700, 12500, 14625, 15625, 16250, 18750, 19500, 22500, 24375, 28125, 29250, 31250, 32500, 37500, 40625, 46875, 48750, 56250, 58500, 62500, 73125, 81250, 93750, 97500, 112500, 121875, 140625, 146250, 162500, 187500, 203125, 243750, 281250, 292500, 365625, 406250, 487500, 562500, 609375, 731250, 812500, 1218750, 1462500, 1828125, 2437500, 3656250, 7312500]

約数ペア:

[(1, 7312500), (2, 3656250), (3, 2437500), (4, 1828125), (5, 1462500), (6, 1218750), (9, 812500), (10, 731250), (12, 609375), (13, 562500), (15, 487500), (18, 406250), (20, 365625), (25, 292500), (26, 281250), (30, 243750), (36, 203125), (39, 187500), (45, 162500), (50, 146250), (52, 140625), (60, 121875), (65, 112500), (75, 97500), (78, 93750), (90, 81250), (100, 73125), (117, 62500), (125, 58500), (130, 56250), (150, 48750), (156, 46875), (180, 40625), (195, 37500), (225, 32500), (234, 31250), (250, 29250), (260, 28125), (300, 24375), (325, 22500), (375, 19500), (390, 18750), (450, 16250), (468, 15625), (500, 14625), (585, 12500), (625, 11700), (650, 11250), (750, 9750), (780, 9375), (900, 8125), (975, 7500), (1125, 6500), (1170, 6250), (1250, 5850), (1300, 5625), (1500, 4875), (1625, 4500), (1875, 3900), (1950, 3750), (2250, 3250), (2340, 3125), (2500, 2925)]