85312500

素因数分解:

$2^2\times 3^1\times 5^7\times 7^1\times {\mathrm{13}}^1$

素因数の和:62

約数の個数: 192

約数和(自身を含む): 306249216

約数和(自身を除く): 220936716

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 25, 26, 28, 30, 35, 39, 42, 50, 52, 60, 65, 70, 75, 78, 84, 91, 100, 105, 125, 130, 140, 150, 156, 175, 182, 195, 210, 250, 260, 273, 300, 325, 350, 364, 375, 390, 420, 455, 500, 525, 546, 625, 650, 700, 750, 780, 875, 910, 975, 1050, 1092, 1250, 1300, 1365, 1500, 1625, 1750, 1820, 1875, 1950, 2100, 2275, 2500, 2625, 2730, 3125, 3250, 3500, 3750, 3900, 4375, 4550, 4875, 5250, 5460, 6250, 6500, 6825, 7500, 8125, 8750, 9100, 9375, 9750, 10500, 11375, 12500, 13125, 13650, 15625, 16250, 17500, 18750, 19500, 21875, 22750, 24375, 26250, 27300, 31250, 32500, 34125, 37500, 40625, 43750, 45500, 46875, 48750, 52500, 56875, 62500, 65625, 68250, 78125, 81250, 87500, 93750, 97500, 109375, 113750, 121875, 131250, 136500, 156250, 162500, 170625, 187500, 203125, 218750, 227500, 234375, 243750, 262500, 284375, 312500, 328125, 341250, 406250, 437500, 468750, 487500, 546875, 568750, 609375, 656250, 682500, 812500, 853125, 937500, 1015625, 1093750, 1137500, 1218750, 1312500, 1421875, 1640625, 1706250, 2031250, 2187500, 2437500, 2843750, 3046875, 3281250, 3412500, 4062500, 4265625, 5687500, 6093750, 6562500, 7109375, 8531250, 12187500, 14218750, 17062500, 21328125, 28437500, 42656250, 85312500]

約数ペア:

[(1, 85312500), (2, 42656250), (3, 28437500), (4, 21328125), (5, 17062500), (6, 14218750), (7, 12187500), (10, 8531250), (12, 7109375), (13, 6562500), (14, 6093750), (15, 5687500), (20, 4265625), (21, 4062500), (25, 3412500), (26, 3281250), (28, 3046875), (30, 2843750), (35, 2437500), (39, 2187500), (42, 2031250), (50, 1706250), (52, 1640625), (60, 1421875), (65, 1312500), (70, 1218750), (75, 1137500), (78, 1093750), (84, 1015625), (91, 937500), (100, 853125), (105, 812500), (125, 682500), (130, 656250), (140, 609375), (150, 568750), (156, 546875), (175, 487500), (182, 468750), (195, 437500), (210, 406250), (250, 341250), (260, 328125), (273, 312500), (300, 284375), (325, 262500), (350, 243750), (364, 234375), (375, 227500), (390, 218750), (420, 203125), (455, 187500), (500, 170625), (525, 162500), (546, 156250), (625, 136500), (650, 131250), (700, 121875), (750, 113750), (780, 109375), (875, 97500), (910, 93750), (975, 87500), (1050, 81250), (1092, 78125), (1250, 68250), (1300, 65625), (1365, 62500), (1500, 56875), (1625, 52500), (1750, 48750), (1820, 46875), (1875, 45500), (1950, 43750), (2100, 40625), (2275, 37500), (2500, 34125), (2625, 32500), (2730, 31250), (3125, 27300), (3250, 26250), (3500, 24375), (3750, 22750), (3900, 21875), (4375, 19500), (4550, 18750), (4875, 17500), (5250, 16250), (5460, 15625), (6250, 13650), (6500, 13125), (6825, 12500), (7500, 11375), (8125, 10500), (8750, 9750), (9100, 9375)]