255937500

素因数分解:

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

素因数の和:65

約数の個数: 288

約数和(自身を含む): 995309952

約数和(自身を除く): 739372452

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 13, 14, 15, 18, 20, 21, 25, 26, 28, 30, 35, 36, 39, 42, 45, 50, 52, 60, 63, 65, 70, 75, 78, 84, 90, 91, 100, 105, 117, 125, 126, 130, 140, 150, 156, 175, 180, 182, 195, 210, 225, 234, 250, 252, 260, 273, 300, 315, 325, 350, 364, 375, 390, 420, 450, 455, 468, 500, 525, 546, 585, 625, 630, 650, 700, 750, 780, 819, 875, 900, 910, 975, 1050, 1092, 1125, 1170, 1250, 1260, 1300, 1365, 1500, 1575, 1625, 1638, 1750, 1820, 1875, 1950, 2100, 2250, 2275, 2340, 2500, 2625, 2730, 2925, 3125, 3150, 3250, 3276, 3500, 3750, 3900, 4095, 4375, 4500, 4550, 4875, 5250, 5460, 5625, 5850, 6250, 6300, 6500, 6825, 7500, 7875, 8125, 8190, 8750, 9100, 9375, 9750, 10500, 11250, 11375, 11700, 12500, 13125, 13650, 14625, 15625, 15750, 16250, 16380, 17500, 18750, 19500, 20475, 21875, 22500, 22750, 24375, 26250, 27300, 28125, 29250, 31250, 31500, 32500, 34125, 37500, 39375, 40625, 40950, 43750, 45500, 46875, 48750, 52500, 56250, 56875, 58500, 62500, 65625, 68250, 73125, 78125, 78750, 81250, 81900, 87500, 93750, 97500, 102375, 109375, 112500, 113750, 121875, 131250, 136500, 140625, 146250, 156250, 157500, 162500, 170625, 187500, 196875, 203125, 204750, 218750, 227500, 234375, 243750, 262500, 281250, 284375, 292500, 312500, 328125, 341250, 365625, 393750, 406250, 409500, 437500, 468750, 487500, 511875, 546875, 562500, 568750, 609375, 656250, 682500, 703125, 731250, 787500, 812500, 853125, 937500, 984375, 1015625, 1023750, 1093750, 1137500, 1218750, 1312500, 1406250, 1421875, 1462500, 1640625, 1706250, 1828125, 1968750, 2031250, 2047500, 2187500, 2437500, 2559375, 2812500, 2843750, 3046875, 3281250, 3412500, 3656250, 3937500, 4062500, 4265625, 4921875, 5118750, 5687500, 6093750, 6562500, 7109375, 7312500, 8531250, 9140625, 9843750, 10237500, 12187500, 12796875, 14218750, 17062500, 18281250, 19687500, 21328125, 25593750, 28437500, 36562500, 42656250, 51187500, 63984375, 85312500, 127968750, 255937500]

約数ペア:

[(1, 255937500), (2, 127968750), (3, 85312500), (4, 63984375), (5, 51187500), (6, 42656250), (7, 36562500), (9, 28437500), (10, 25593750), (12, 21328125), (13, 19687500), (14, 18281250), (15, 17062500), (18, 14218750), (20, 12796875), (21, 12187500), (25, 10237500), (26, 9843750), (28, 9140625), (30, 8531250), (35, 7312500), (36, 7109375), (39, 6562500), (42, 6093750), (45, 5687500), (50, 5118750), (52, 4921875), (60, 4265625), (63, 4062500), (65, 3937500), (70, 3656250), (75, 3412500), (78, 3281250), (84, 3046875), (90, 2843750), (91, 2812500), (100, 2559375), (105, 2437500), (117, 2187500), (125, 2047500), (126, 2031250), (130, 1968750), (140, 1828125), (150, 1706250), (156, 1640625), (175, 1462500), (180, 1421875), (182, 1406250), (195, 1312500), (210, 1218750), (225, 1137500), (234, 1093750), (250, 1023750), (252, 1015625), (260, 984375), (273, 937500), (300, 853125), (315, 812500), (325, 787500), (350, 731250), (364, 703125), (375, 682500), (390, 656250), (420, 609375), (450, 568750), (455, 562500), (468, 546875), (500, 511875), (525, 487500), (546, 468750), (585, 437500), (625, 409500), (630, 406250), (650, 393750), (700, 365625), (750, 341250), (780, 328125), (819, 312500), (875, 292500), (900, 284375), (910, 281250), (975, 262500), (1050, 243750), (1092, 234375), (1125, 227500), (1170, 218750), (1250, 204750), (1260, 203125), (1300, 196875), (1365, 187500), (1500, 170625), (1575, 162500), (1625, 157500), (1638, 156250), (1750, 146250), (1820, 140625), (1875, 136500), (1950, 131250), (2100, 121875), (2250, 113750), (2275, 112500), (2340, 109375), (2500, 102375), (2625, 97500), (2730, 93750), (2925, 87500), (3125, 81900), (3150, 81250), (3250, 78750), (3276, 78125), (3500, 73125), (3750, 68250), (3900, 65625), (4095, 62500), (4375, 58500), (4500, 56875), (4550, 56250), (4875, 52500), (5250, 48750), (5460, 46875), (5625, 45500), (5850, 43750), (6250, 40950), (6300, 40625), (6500, 39375), (6825, 37500), (7500, 34125), (7875, 32500), (8125, 31500), (8190, 31250), (8750, 29250), (9100, 28125), (9375, 27300), (9750, 26250), (10500, 24375), (11250, 22750), (11375, 22500), (11700, 21875), (12500, 20475), (13125, 19500), (13650, 18750), (14625, 17500), (15625, 16380), (15750, 16250)]