65170980

素因数分解:

$2^2\times 3^4\times 5^1\times 7^2\times {\mathrm{821}}^1$

素因数の和:856

約数の個数: 180

約数和(自身を含む): 238112028

約数和(自身を除く): 172941048

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 49, 54, 60, 63, 70, 81, 84, 90, 98, 105, 108, 126, 135, 140, 147, 162, 180, 189, 196, 210, 245, 252, 270, 294, 315, 324, 378, 405, 420, 441, 490, 540, 567, 588, 630, 735, 756, 810, 821, 882, 945, 980, 1134, 1260, 1323, 1470, 1620, 1642, 1764, 1890, 2205, 2268, 2463, 2646, 2835, 2940, 3284, 3780, 3969, 4105, 4410, 4926, 5292, 5670, 5747, 6615, 7389, 7938, 8210, 8820, 9852, 11340, 11494, 12315, 13230, 14778, 15876, 16420, 17241, 19845, 22167, 22988, 24630, 26460, 28735, 29556, 34482, 36945, 39690, 40229, 44334, 49260, 51723, 57470, 66501, 68964, 73890, 79380, 80458, 86205, 88668, 103446, 110835, 114940, 120687, 133002, 147780, 155169, 160916, 172410, 201145, 206892, 221670, 241374, 258615, 266004, 310338, 332505, 344820, 362061, 402290, 443340, 465507, 482748, 517230, 603435, 620676, 665010, 724122, 775845, 804580, 931014, 1034460, 1086183, 1206870, 1330020, 1448244, 1551690, 1810305, 1862028, 2172366, 2327535, 2413740, 3103380, 3258549, 3620610, 4344732, 4655070, 5430915, 6517098, 7241220, 9310140, 10861830, 13034196, 16292745, 21723660, 32585490, 65170980]

約数ペア:

[(1, 65170980), (2, 32585490), (3, 21723660), (4, 16292745), (5, 13034196), (6, 10861830), (7, 9310140), (9, 7241220), (10, 6517098), (12, 5430915), (14, 4655070), (15, 4344732), (18, 3620610), (20, 3258549), (21, 3103380), (27, 2413740), (28, 2327535), (30, 2172366), (35, 1862028), (36, 1810305), (42, 1551690), (45, 1448244), (49, 1330020), (54, 1206870), (60, 1086183), (63, 1034460), (70, 931014), (81, 804580), (84, 775845), (90, 724122), (98, 665010), (105, 620676), (108, 603435), (126, 517230), (135, 482748), (140, 465507), (147, 443340), (162, 402290), (180, 362061), (189, 344820), (196, 332505), (210, 310338), (245, 266004), (252, 258615), (270, 241374), (294, 221670), (315, 206892), (324, 201145), (378, 172410), (405, 160916), (420, 155169), (441, 147780), (490, 133002), (540, 120687), (567, 114940), (588, 110835), (630, 103446), (735, 88668), (756, 86205), (810, 80458), (821, 79380), (882, 73890), (945, 68964), (980, 66501), (1134, 57470), (1260, 51723), (1323, 49260), (1470, 44334), (1620, 40229), (1642, 39690), (1764, 36945), (1890, 34482), (2205, 29556), (2268, 28735), (2463, 26460), (2646, 24630), (2835, 22988), (2940, 22167), (3284, 19845), (3780, 17241), (3969, 16420), (4105, 15876), (4410, 14778), (4926, 13230), (5292, 12315), (5670, 11494), (5747, 11340), (6615, 9852), (7389, 8820), (7938, 8210)]