521724840

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{47777}}^1$

素因数の和:47811

約数の個数: 128

約数和(自身を含む): 1926408960

約数和(自身を除く): 1404684120

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, 140, 156, 168, 182, 195, 210, 260, 273, 280, 312, 364, 390, 420, 455, 520, 546, 728, 780, 840, 910, 1092, 1365, 1560, 1820, 2184, 2730, 3640, 5460, 10920, 47777, 95554, 143331, 191108, 238885, 286662, 334439, 382216, 477770, 573324, 621101, 668878, 716655, 955540, 1003317, 1146648, 1242202, 1337756, 1433310, 1672195, 1863303, 1911080, 2006634, 2484404, 2675512, 2866620, 3105505, 3344390, 3726606, 4013268, 4347707, 4968808, 5016585, 5733240, 6211010, 6688780, 7453212, 8026536, 8695414, 9316515, 10033170, 12422020, 13043121, 13377560, 14906424, 17390828, 18633030, 20066340, 21738535, 24844040, 26086242, 34781656, 37266060, 40132680, 43477070, 52172484, 65215605, 74532120, 86954140, 104344968, 130431210, 173908280, 260862420, 521724840]

約数ペア:

[(1, 521724840), (2, 260862420), (3, 173908280), (4, 130431210), (5, 104344968), (6, 86954140), (7, 74532120), (8, 65215605), (10, 52172484), (12, 43477070), (13, 40132680), (14, 37266060), (15, 34781656), (20, 26086242), (21, 24844040), (24, 21738535), (26, 20066340), (28, 18633030), (30, 17390828), (35, 14906424), (39, 13377560), (40, 13043121), (42, 12422020), (52, 10033170), (56, 9316515), (60, 8695414), (65, 8026536), (70, 7453212), (78, 6688780), (84, 6211010), (91, 5733240), (104, 5016585), (105, 4968808), (120, 4347707), (130, 4013268), (140, 3726606), (156, 3344390), (168, 3105505), (182, 2866620), (195, 2675512), (210, 2484404), (260, 2006634), (273, 1911080), (280, 1863303), (312, 1672195), (364, 1433310), (390, 1337756), (420, 1242202), (455, 1146648), (520, 1003317), (546, 955540), (728, 716655), (780, 668878), (840, 621101), (910, 573324), (1092, 477770), (1365, 382216), (1560, 334439), (1820, 286662), (2184, 238885), (2730, 191108), (3640, 143331), (5460, 95554), (10920, 47777)]