121875000

素因数分解:

$2^3\times 3^1\times 5^8\times {\mathrm{13}}^1$

素因数の和:62

約数の個数: 144

約数和(自身を含む): 410156040

約数和(自身を除く): 288281040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 25, 26, 30, 39, 40, 50, 52, 60, 65, 75, 78, 100, 104, 120, 125, 130, 150, 156, 195, 200, 250, 260, 300, 312, 325, 375, 390, 500, 520, 600, 625, 650, 750, 780, 975, 1000, 1250, 1300, 1500, 1560, 1625, 1875, 1950, 2500, 2600, 3000, 3125, 3250, 3750, 3900, 4875, 5000, 6250, 6500, 7500, 7800, 8125, 9375, 9750, 12500, 13000, 15000, 15625, 16250, 18750, 19500, 24375, 25000, 31250, 32500, 37500, 39000, 40625, 46875, 48750, 62500, 65000, 75000, 78125, 81250, 93750, 97500, 121875, 125000, 156250, 162500, 187500, 195000, 203125, 234375, 243750, 312500, 325000, 375000, 390625, 406250, 468750, 487500, 609375, 625000, 781250, 812500, 937500, 975000, 1015625, 1171875, 1218750, 1562500, 1625000, 1875000, 2031250, 2343750, 2437500, 3046875, 3125000, 4062500, 4687500, 4875000, 5078125, 6093750, 8125000, 9375000, 10156250, 12187500, 15234375, 20312500, 24375000, 30468750, 40625000, 60937500, 121875000]

約数ペア:

[(1, 121875000), (2, 60937500), (3, 40625000), (4, 30468750), (5, 24375000), (6, 20312500), (8, 15234375), (10, 12187500), (12, 10156250), (13, 9375000), (15, 8125000), (20, 6093750), (24, 5078125), (25, 4875000), (26, 4687500), (30, 4062500), (39, 3125000), (40, 3046875), (50, 2437500), (52, 2343750), (60, 2031250), (65, 1875000), (75, 1625000), (78, 1562500), (100, 1218750), (104, 1171875), (120, 1015625), (125, 975000), (130, 937500), (150, 812500), (156, 781250), (195, 625000), (200, 609375), (250, 487500), (260, 468750), (300, 406250), (312, 390625), (325, 375000), (375, 325000), (390, 312500), (500, 243750), (520, 234375), (600, 203125), (625, 195000), (650, 187500), (750, 162500), (780, 156250), (975, 125000), (1000, 121875), (1250, 97500), (1300, 93750), (1500, 81250), (1560, 78125), (1625, 75000), (1875, 65000), (1950, 62500), (2500, 48750), (2600, 46875), (3000, 40625), (3125, 39000), (3250, 37500), (3750, 32500), (3900, 31250), (4875, 25000), (5000, 24375), (6250, 19500), (6500, 18750), (7500, 16250), (7800, 15625), (8125, 15000), (9375, 13000), (9750, 12500)]