254228520

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{751}}^1$

素因数の和:816

約数の個数: 256

約数和(自身を含む): 970260480

約数和(自身を除く): 716031960

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 20, 21, 24, 26, 28, 30, 31, 35, 39, 40, 42, 52, 56, 60, 62, 65, 70, 78, 84, 91, 93, 104, 105, 120, 124, 130, 140, 155, 156, 168, 182, 186, 195, 210, 217, 248, 260, 273, 280, 310, 312, 364, 372, 390, 403, 420, 434, 455, 465, 520, 546, 620, 651, 728, 744, 751, 780, 806, 840, 868, 910, 930, 1085, 1092, 1209, 1240, 1302, 1365, 1502, 1560, 1612, 1736, 1820, 1860, 2015, 2170, 2184, 2253, 2418, 2604, 2730, 2821, 3004, 3224, 3255, 3640, 3720, 3755, 4030, 4340, 4506, 4836, 5208, 5257, 5460, 5642, 6008, 6045, 6510, 7510, 8060, 8463, 8680, 9012, 9672, 9763, 10514, 10920, 11265, 11284, 12090, 13020, 14105, 15020, 15771, 16120, 16926, 18024, 19526, 21028, 22530, 22568, 23281, 24180, 26040, 26285, 28210, 29289, 30040, 31542, 33852, 39052, 42056, 42315, 45060, 46562, 48360, 48815, 52570, 56420, 58578, 63084, 67704, 68341, 69843, 78104, 78855, 84630, 90120, 93124, 97630, 105140, 112840, 116405, 117156, 126168, 136682, 139686, 146445, 157710, 162967, 169260, 186248, 195260, 205023, 210280, 232810, 234312, 273364, 279372, 292890, 302653, 315420, 325934, 338520, 341705, 349215, 390520, 410046, 465620, 488901, 546728, 558744, 585780, 605306, 630840, 651868, 683410, 698430, 814835, 820092, 907959, 931240, 977802, 1025115, 1171560, 1210612, 1303736, 1366820, 1396860, 1513265, 1629670, 1640184, 1815918, 1955604, 2050230, 2118571, 2421224, 2444505, 2733640, 2793720, 3026530, 3259340, 3631836, 3911208, 4100460, 4237142, 4539795, 4889010, 6053060, 6355713, 6518680, 7263672, 8200920, 8474284, 9079590, 9778020, 10592855, 12106120, 12711426, 16948568, 18159180, 19556040, 21185710, 25422852, 31778565, 36318360, 42371420, 50845704, 63557130, 84742840, 127114260, 254228520]

約数ペア:

[(1, 254228520), (2, 127114260), (3, 84742840), (4, 63557130), (5, 50845704), (6, 42371420), (7, 36318360), (8, 31778565), (10, 25422852), (12, 21185710), (13, 19556040), (14, 18159180), (15, 16948568), (20, 12711426), (21, 12106120), (24, 10592855), (26, 9778020), (28, 9079590), (30, 8474284), (31, 8200920), (35, 7263672), (39, 6518680), (40, 6355713), (42, 6053060), (52, 4889010), (56, 4539795), (60, 4237142), (62, 4100460), (65, 3911208), (70, 3631836), (78, 3259340), (84, 3026530), (91, 2793720), (93, 2733640), (104, 2444505), (105, 2421224), (120, 2118571), (124, 2050230), (130, 1955604), (140, 1815918), (155, 1640184), (156, 1629670), (168, 1513265), (182, 1396860), (186, 1366820), (195, 1303736), (210, 1210612), (217, 1171560), (248, 1025115), (260, 977802), (273, 931240), (280, 907959), (310, 820092), (312, 814835), (364, 698430), (372, 683410), (390, 651868), (403, 630840), (420, 605306), (434, 585780), (455, 558744), (465, 546728), (520, 488901), (546, 465620), (620, 410046), (651, 390520), (728, 349215), (744, 341705), (751, 338520), (780, 325934), (806, 315420), (840, 302653), (868, 292890), (910, 279372), (930, 273364), (1085, 234312), (1092, 232810), (1209, 210280), (1240, 205023), (1302, 195260), (1365, 186248), (1502, 169260), (1560, 162967), (1612, 157710), (1736, 146445), (1820, 139686), (1860, 136682), (2015, 126168), (2170, 117156), (2184, 116405), (2253, 112840), (2418, 105140), (2604, 97630), (2730, 93124), (2821, 90120), (3004, 84630), (3224, 78855), (3255, 78104), (3640, 69843), (3720, 68341), (3755, 67704), (4030, 63084), (4340, 58578), (4506, 56420), (4836, 52570), (5208, 48815), (5257, 48360), (5460, 46562), (5642, 45060), (6008, 42315), (6045, 42056), (6510, 39052), (7510, 33852), (8060, 31542), (8463, 30040), (8680, 29289), (9012, 28210), (9672, 26285), (9763, 26040), (10514, 24180), (10920, 23281), (11265, 22568), (11284, 22530), (12090, 21028), (13020, 19526), (14105, 18024), (15020, 16926), (15771, 16120)]