64220520

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{5881}}^1$

素因数の和:5915

約数の個数: 128

約数和(自身を含む): 237162240

約数和(自身を除く): 172941720

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, 5881, 10920, 11762, 17643, 23524, 29405, 35286, 41167, 47048, 58810, 70572, 76453, 82334, 88215, 117620, 123501, 141144, 152906, 164668, 176430, 205835, 229359, 235240, 247002, 305812, 329336, 352860, 382265, 411670, 458718, 494004, 535171, 611624, 617505, 705720, 764530, 823340, 917436, 988008, 1070342, 1146795, 1235010, 1529060, 1605513, 1646680, 1834872, 2140684, 2293590, 2470020, 2675855, 3058120, 3211026, 4281368, 4587180, 4940040, 5351710, 6422052, 8027565, 9174360, 10703420, 12844104, 16055130, 21406840, 32110260, 64220520]

約数ペア:

[(1, 64220520), (2, 32110260), (3, 21406840), (4, 16055130), (5, 12844104), (6, 10703420), (7, 9174360), (8, 8027565), (10, 6422052), (12, 5351710), (13, 4940040), (14, 4587180), (15, 4281368), (20, 3211026), (21, 3058120), (24, 2675855), (26, 2470020), (28, 2293590), (30, 2140684), (35, 1834872), (39, 1646680), (40, 1605513), (42, 1529060), (52, 1235010), (56, 1146795), (60, 1070342), (65, 988008), (70, 917436), (78, 823340), (84, 764530), (91, 705720), (104, 617505), (105, 611624), (120, 535171), (130, 494004), (140, 458718), (156, 411670), (168, 382265), (182, 352860), (195, 329336), (210, 305812), (260, 247002), (273, 235240), (280, 229359), (312, 205835), (364, 176430), (390, 164668), (420, 152906), (455, 141144), (520, 123501), (546, 117620), (728, 88215), (780, 82334), (840, 76453), (910, 70572), (1092, 58810), (1365, 47048), (1560, 41167), (1820, 35286), (2184, 29405), (2730, 23524), (3640, 17643), (5460, 11762), (5881, 10920)]