263981120

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1$

素因数の和:173

約数の個数: 224

約数和(自身を含む): 737372160

約数和(自身を除く): 473391040

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 23, 26, 31, 32, 40, 46, 52, 62, 64, 65, 80, 89, 92, 104, 115, 124, 130, 155, 160, 178, 184, 208, 230, 248, 260, 299, 310, 320, 356, 368, 403, 416, 445, 460, 496, 520, 598, 620, 712, 713, 736, 806, 832, 890, 920, 992, 1040, 1157, 1196, 1240, 1424, 1426, 1472, 1495, 1612, 1780, 1840, 1984, 2015, 2047, 2080, 2314, 2392, 2480, 2759, 2848, 2852, 2990, 3224, 3560, 3565, 3680, 4030, 4094, 4160, 4628, 4784, 4960, 5518, 5696, 5704, 5785, 5980, 6448, 7120, 7130, 7360, 8060, 8188, 9256, 9269, 9568, 9920, 10235, 11036, 11408, 11570, 11960, 12896, 13795, 14240, 14260, 16120, 16376, 18512, 18538, 19136, 20470, 22072, 22816, 23140, 23920, 25792, 26611, 27590, 28480, 28520, 32240, 32752, 35867, 37024, 37076, 40940, 44144, 45632, 46280, 46345, 47840, 53222, 55180, 57040, 63457, 64480, 65504, 71734, 74048, 74152, 81880, 88288, 92560, 92690, 95680, 106444, 110360, 114080, 126914, 128960, 131008, 133055, 143468, 148304, 163760, 176576, 179335, 185120, 185380, 212888, 220720, 228160, 253828, 266110, 286936, 296608, 317285, 327520, 358670, 370240, 370760, 425776, 441440, 507656, 532220, 573872, 593216, 634570, 655040, 717340, 741520, 824941, 851552, 882880, 1015312, 1064440, 1147744, 1269140, 1434680, 1483040, 1649882, 1703104, 2030624, 2128880, 2295488, 2538280, 2869360, 2966080, 3299764, 4061248, 4124705, 4257760, 5076560, 5738720, 6599528, 8249410, 8515520, 10153120, 11477440, 13199056, 16498820, 20306240, 26398112, 32997640, 52796224, 65995280, 131990560, 263981120]

約数ペア:

[(1, 263981120), (2, 131990560), (4, 65995280), (5, 52796224), (8, 32997640), (10, 26398112), (13, 20306240), (16, 16498820), (20, 13199056), (23, 11477440), (26, 10153120), (31, 8515520), (32, 8249410), (40, 6599528), (46, 5738720), (52, 5076560), (62, 4257760), (64, 4124705), (65, 4061248), (80, 3299764), (89, 2966080), (92, 2869360), (104, 2538280), (115, 2295488), (124, 2128880), (130, 2030624), (155, 1703104), (160, 1649882), (178, 1483040), (184, 1434680), (208, 1269140), (230, 1147744), (248, 1064440), (260, 1015312), (299, 882880), (310, 851552), (320, 824941), (356, 741520), (368, 717340), (403, 655040), (416, 634570), (445, 593216), (460, 573872), (496, 532220), (520, 507656), (598, 441440), (620, 425776), (712, 370760), (713, 370240), (736, 358670), (806, 327520), (832, 317285), (890, 296608), (920, 286936), (992, 266110), (1040, 253828), (1157, 228160), (1196, 220720), (1240, 212888), (1424, 185380), (1426, 185120), (1472, 179335), (1495, 176576), (1612, 163760), (1780, 148304), (1840, 143468), (1984, 133055), (2015, 131008), (2047, 128960), (2080, 126914), (2314, 114080), (2392, 110360), (2480, 106444), (2759, 95680), (2848, 92690), (2852, 92560), (2990, 88288), (3224, 81880), (3560, 74152), (3565, 74048), (3680, 71734), (4030, 65504), (4094, 64480), (4160, 63457), (4628, 57040), (4784, 55180), (4960, 53222), (5518, 47840), (5696, 46345), (5704, 46280), (5785, 45632), (5980, 44144), (6448, 40940), (7120, 37076), (7130, 37024), (7360, 35867), (8060, 32752), (8188, 32240), (9256, 28520), (9269, 28480), (9568, 27590), (9920, 26611), (10235, 25792), (11036, 23920), (11408, 23140), (11570, 22816), (11960, 22072), (12896, 20470), (13795, 19136), (14240, 18538), (14260, 18512), (16120, 16376)]