173420520

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{15881}}^1$

素因数の和:15915

約数の個数: 128

約数和(自身を含む): 640362240

約数和(自身を除く): 466941720

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, 15881, 31762, 47643, 63524, 79405, 95286, 111167, 127048, 158810, 190572, 206453, 222334, 238215, 317620, 333501, 381144, 412906, 444668, 476430, 555835, 619359, 635240, 667002, 825812, 889336, 952860, 1032265, 1111670, 1238718, 1334004, 1445171, 1651624, 1667505, 1905720, 2064530, 2223340, 2477436, 2668008, 2890342, 3096795, 3335010, 4129060, 4335513, 4446680, 4954872, 5780684, 6193590, 6670020, 7225855, 8258120, 8671026, 11561368, 12387180, 13340040, 14451710, 17342052, 21677565, 24774360, 28903420, 34684104, 43355130, 57806840, 86710260, 173420520]

約数ペア:

[(1, 173420520), (2, 86710260), (3, 57806840), (4, 43355130), (5, 34684104), (6, 28903420), (7, 24774360), (8, 21677565), (10, 17342052), (12, 14451710), (13, 13340040), (14, 12387180), (15, 11561368), (20, 8671026), (21, 8258120), (24, 7225855), (26, 6670020), (28, 6193590), (30, 5780684), (35, 4954872), (39, 4446680), (40, 4335513), (42, 4129060), (52, 3335010), (56, 3096795), (60, 2890342), (65, 2668008), (70, 2477436), (78, 2223340), (84, 2064530), (91, 1905720), (104, 1667505), (105, 1651624), (120, 1445171), (130, 1334004), (140, 1238718), (156, 1111670), (168, 1032265), (182, 952860), (195, 889336), (210, 825812), (260, 667002), (273, 635240), (280, 619359), (312, 555835), (364, 476430), (390, 444668), (420, 412906), (455, 381144), (520, 333501), (546, 317620), (728, 238215), (780, 222334), (840, 206453), (910, 190572), (1092, 158810), (1365, 127048), (1560, 111167), (1820, 95286), (2184, 79405), (2730, 63524), (3640, 47643), (5460, 31762), (10920, 15881)]