247414440

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{163}}^1$

素因数の和:336

約数の個数: 256

約数和(自身を含む): 925747200

約数和(自身を除く): 678332760

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 20, 21, 24, 26, 28, 30, 35, 39, 40, 42, 52, 56, 60, 65, 70, 78, 84, 91, 104, 105, 120, 130, 139, 140, 156, 163, 168, 182, 195, 210, 260, 273, 278, 280, 312, 326, 364, 390, 417, 420, 455, 489, 520, 546, 556, 652, 695, 728, 780, 815, 834, 840, 910, 973, 978, 1092, 1112, 1141, 1304, 1365, 1390, 1560, 1630, 1668, 1807, 1820, 1946, 1956, 2085, 2119, 2184, 2282, 2445, 2730, 2780, 2919, 3260, 3336, 3423, 3614, 3640, 3892, 3912, 4170, 4238, 4564, 4865, 4890, 5421, 5460, 5560, 5705, 5838, 6357, 6520, 6846, 7228, 7784, 8340, 8476, 9035, 9128, 9730, 9780, 10595, 10842, 10920, 11410, 11676, 12649, 12714, 13692, 14456, 14595, 14833, 16680, 16952, 17115, 18070, 19460, 19560, 21190, 21684, 22657, 22820, 23352, 25298, 25428, 27105, 27384, 29190, 29666, 31785, 34230, 36140, 37947, 38920, 42380, 43368, 44499, 45314, 45640, 50596, 50856, 54210, 58380, 59332, 63245, 63570, 67971, 68460, 72280, 74165, 75894, 84760, 88998, 90628, 101192, 108420, 113285, 116760, 118664, 126490, 127140, 135942, 136920, 148330, 151788, 158599, 177996, 181256, 189735, 216840, 222495, 226570, 252980, 254280, 271884, 294541, 296660, 303576, 317198, 339855, 355992, 379470, 444990, 453140, 475797, 505960, 543768, 589082, 593320, 634396, 679710, 758940, 792995, 883623, 889980, 906280, 951594, 1178164, 1268792, 1359420, 1472705, 1517880, 1585990, 1767246, 1779960, 1903188, 2061787, 2356328, 2378985, 2718840, 2945410, 3171980, 3534492, 3806376, 4123574, 4418115, 4757970, 5890820, 6185361, 6343960, 7068984, 8247148, 8836230, 9515940, 10308935, 11781640, 12370722, 16494296, 17672460, 19031880, 20617870, 24741444, 30926805, 35344920, 41235740, 49482888, 61853610, 82471480, 123707220, 247414440]

約数ペア:

[(1, 247414440), (2, 123707220), (3, 82471480), (4, 61853610), (5, 49482888), (6, 41235740), (7, 35344920), (8, 30926805), (10, 24741444), (12, 20617870), (13, 19031880), (14, 17672460), (15, 16494296), (20, 12370722), (21, 11781640), (24, 10308935), (26, 9515940), (28, 8836230), (30, 8247148), (35, 7068984), (39, 6343960), (40, 6185361), (42, 5890820), (52, 4757970), (56, 4418115), (60, 4123574), (65, 3806376), (70, 3534492), (78, 3171980), (84, 2945410), (91, 2718840), (104, 2378985), (105, 2356328), (120, 2061787), (130, 1903188), (139, 1779960), (140, 1767246), (156, 1585990), (163, 1517880), (168, 1472705), (182, 1359420), (195, 1268792), (210, 1178164), (260, 951594), (273, 906280), (278, 889980), (280, 883623), (312, 792995), (326, 758940), (364, 679710), (390, 634396), (417, 593320), (420, 589082), (455, 543768), (489, 505960), (520, 475797), (546, 453140), (556, 444990), (652, 379470), (695, 355992), (728, 339855), (780, 317198), (815, 303576), (834, 296660), (840, 294541), (910, 271884), (973, 254280), (978, 252980), (1092, 226570), (1112, 222495), (1141, 216840), (1304, 189735), (1365, 181256), (1390, 177996), (1560, 158599), (1630, 151788), (1668, 148330), (1807, 136920), (1820, 135942), (1946, 127140), (1956, 126490), (2085, 118664), (2119, 116760), (2184, 113285), (2282, 108420), (2445, 101192), (2730, 90628), (2780, 88998), (2919, 84760), (3260, 75894), (3336, 74165), (3423, 72280), (3614, 68460), (3640, 67971), (3892, 63570), (3912, 63245), (4170, 59332), (4238, 58380), (4564, 54210), (4865, 50856), (4890, 50596), (5421, 45640), (5460, 45314), (5560, 44499), (5705, 43368), (5838, 42380), (6357, 38920), (6520, 37947), (6846, 36140), (7228, 34230), (7784, 31785), (8340, 29666), (8476, 29190), (9035, 27384), (9128, 27105), (9730, 25428), (9780, 25298), (10595, 23352), (10842, 22820), (10920, 22657), (11410, 21684), (11676, 21190), (12649, 19560), (12714, 19460), (13692, 18070), (14456, 17115), (14595, 16952), (14833, 16680)]