66191580

素因数分解:

$2^2\times 3^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{449}}^1$

素因数の和:490

約数の個数: 240

約数和(自身を含む): 256132800

約数和(自身を除く): 189941220

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 13, 14, 15, 18, 20, 21, 26, 27, 28, 30, 35, 36, 39, 42, 45, 52, 54, 60, 63, 65, 70, 78, 81, 84, 90, 91, 105, 108, 117, 126, 130, 135, 140, 156, 162, 180, 182, 189, 195, 210, 234, 252, 260, 270, 273, 315, 324, 351, 364, 378, 390, 405, 420, 449, 455, 468, 540, 546, 567, 585, 630, 702, 756, 780, 810, 819, 898, 910, 945, 1053, 1092, 1134, 1170, 1260, 1347, 1365, 1404, 1620, 1638, 1755, 1796, 1820, 1890, 2106, 2245, 2268, 2340, 2457, 2694, 2730, 2835, 3143, 3276, 3510, 3780, 4041, 4095, 4212, 4490, 4914, 5265, 5388, 5460, 5670, 5837, 6286, 6735, 7020, 7371, 8082, 8190, 8980, 9429, 9828, 10530, 11340, 11674, 12123, 12285, 12572, 13470, 14742, 15715, 16164, 16380, 17511, 18858, 20205, 21060, 23348, 24246, 24570, 26940, 28287, 29185, 29484, 31430, 35022, 36369, 36855, 37716, 40410, 40859, 47145, 48492, 49140, 52533, 56574, 58370, 60615, 62860, 70044, 72738, 73710, 80820, 81718, 84861, 87555, 94290, 105066, 113148, 116740, 121230, 122577, 141435, 145476, 147420, 157599, 163436, 169722, 175110, 181845, 188580, 204295, 210132, 242460, 245154, 254583, 262665, 282870, 315198, 339444, 350220, 363690, 367731, 408590, 424305, 472797, 490308, 509166, 525330, 565740, 612885, 630396, 727380, 735462, 787995, 817180, 848610, 945594, 1018332, 1050660, 1103193, 1225770, 1272915, 1470924, 1575990, 1697220, 1838655, 1891188, 2206386, 2363985, 2451540, 2545830, 3151980, 3309579, 3677310, 4412772, 4727970, 5091660, 5515965, 6619158, 7354620, 9455940, 11031930, 13238316, 16547895, 22063860, 33095790, 66191580]

約数ペア:

[(1, 66191580), (2, 33095790), (3, 22063860), (4, 16547895), (5, 13238316), (6, 11031930), (7, 9455940), (9, 7354620), (10, 6619158), (12, 5515965), (13, 5091660), (14, 4727970), (15, 4412772), (18, 3677310), (20, 3309579), (21, 3151980), (26, 2545830), (27, 2451540), (28, 2363985), (30, 2206386), (35, 1891188), (36, 1838655), (39, 1697220), (42, 1575990), (45, 1470924), (52, 1272915), (54, 1225770), (60, 1103193), (63, 1050660), (65, 1018332), (70, 945594), (78, 848610), (81, 817180), (84, 787995), (90, 735462), (91, 727380), (105, 630396), (108, 612885), (117, 565740), (126, 525330), (130, 509166), (135, 490308), (140, 472797), (156, 424305), (162, 408590), (180, 367731), (182, 363690), (189, 350220), (195, 339444), (210, 315198), (234, 282870), (252, 262665), (260, 254583), (270, 245154), (273, 242460), (315, 210132), (324, 204295), (351, 188580), (364, 181845), (378, 175110), (390, 169722), (405, 163436), (420, 157599), (449, 147420), (455, 145476), (468, 141435), (540, 122577), (546, 121230), (567, 116740), (585, 113148), (630, 105066), (702, 94290), (756, 87555), (780, 84861), (810, 81718), (819, 80820), (898, 73710), (910, 72738), (945, 70044), (1053, 62860), (1092, 60615), (1134, 58370), (1170, 56574), (1260, 52533), (1347, 49140), (1365, 48492), (1404, 47145), (1620, 40859), (1638, 40410), (1755, 37716), (1796, 36855), (1820, 36369), (1890, 35022), (2106, 31430), (2245, 29484), (2268, 29185), (2340, 28287), (2457, 26940), (2694, 24570), (2730, 24246), (2835, 23348), (3143, 21060), (3276, 20205), (3510, 18858), (3780, 17511), (4041, 16380), (4095, 16164), (4212, 15715), (4490, 14742), (4914, 13470), (5265, 12572), (5388, 12285), (5460, 12123), (5670, 11674), (5837, 11340), (6286, 10530), (6735, 9828), (7020, 9429), (7371, 8980), (8082, 8190)]