221517660

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{1399}}^1$

素因数の和:1460

約数の個数: 192

約数和(自身を含む): 790272000

約数和(自身を除く): 568754340

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 26, 28, 29, 30, 35, 39, 42, 52, 58, 60, 65, 70, 78, 84, 87, 91, 105, 116, 130, 140, 145, 156, 174, 182, 195, 203, 210, 260, 273, 290, 348, 364, 377, 390, 406, 420, 435, 455, 546, 580, 609, 754, 780, 812, 870, 910, 1015, 1092, 1131, 1218, 1365, 1399, 1508, 1740, 1820, 1885, 2030, 2262, 2436, 2639, 2730, 2798, 3045, 3770, 4060, 4197, 4524, 5278, 5460, 5596, 5655, 6090, 6995, 7540, 7917, 8394, 9793, 10556, 11310, 12180, 13195, 13990, 15834, 16788, 18187, 19586, 20985, 22620, 26390, 27980, 29379, 31668, 36374, 39172, 39585, 40571, 41970, 48965, 52780, 54561, 58758, 72748, 79170, 81142, 83940, 90935, 97930, 109122, 117516, 121713, 127309, 146895, 158340, 162284, 181870, 195860, 202855, 218244, 243426, 254618, 272805, 283997, 293790, 363740, 381927, 405710, 486852, 509236, 527423, 545610, 567994, 587580, 608565, 636545, 763854, 811420, 851991, 1054846, 1091220, 1135988, 1217130, 1273090, 1419985, 1527708, 1582269, 1703982, 1909635, 2109692, 2434260, 2546180, 2637115, 2839970, 3164538, 3407964, 3691961, 3819270, 4259955, 5274230, 5679940, 6329076, 7383922, 7638540, 7911345, 8519910, 10548460, 11075883, 14767844, 15822690, 17039820, 18459805, 22151766, 31645380, 36919610, 44303532, 55379415, 73839220, 110758830, 221517660]

約数ペア:

[(1, 221517660), (2, 110758830), (3, 73839220), (4, 55379415), (5, 44303532), (6, 36919610), (7, 31645380), (10, 22151766), (12, 18459805), (13, 17039820), (14, 15822690), (15, 14767844), (20, 11075883), (21, 10548460), (26, 8519910), (28, 7911345), (29, 7638540), (30, 7383922), (35, 6329076), (39, 5679940), (42, 5274230), (52, 4259955), (58, 3819270), (60, 3691961), (65, 3407964), (70, 3164538), (78, 2839970), (84, 2637115), (87, 2546180), (91, 2434260), (105, 2109692), (116, 1909635), (130, 1703982), (140, 1582269), (145, 1527708), (156, 1419985), (174, 1273090), (182, 1217130), (195, 1135988), (203, 1091220), (210, 1054846), (260, 851991), (273, 811420), (290, 763854), (348, 636545), (364, 608565), (377, 587580), (390, 567994), (406, 545610), (420, 527423), (435, 509236), (455, 486852), (546, 405710), (580, 381927), (609, 363740), (754, 293790), (780, 283997), (812, 272805), (870, 254618), (910, 243426), (1015, 218244), (1092, 202855), (1131, 195860), (1218, 181870), (1365, 162284), (1399, 158340), (1508, 146895), (1740, 127309), (1820, 121713), (1885, 117516), (2030, 109122), (2262, 97930), (2436, 90935), (2639, 83940), (2730, 81142), (2798, 79170), (3045, 72748), (3770, 58758), (4060, 54561), (4197, 52780), (4524, 48965), (5278, 41970), (5460, 40571), (5596, 39585), (5655, 39172), (6090, 36374), (6995, 31668), (7540, 29379), (7917, 27980), (8394, 26390), (9793, 22620), (10556, 20985), (11310, 19586), (12180, 18187), (13195, 16788), (13990, 15834)]