28026180

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1$

素因数の和:123

約数の個数: 288

約数和(自身を含む): 110073600

約数和(自身を除く): 82047420

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 13, 14, 15, 18, 20, 21, 26, 28, 29, 30, 35, 36, 39, 42, 45, 52, 58, 59, 60, 63, 65, 70, 78, 84, 87, 90, 91, 105, 116, 117, 118, 126, 130, 140, 145, 156, 174, 177, 180, 182, 195, 203, 210, 234, 236, 252, 260, 261, 273, 290, 295, 315, 348, 354, 364, 377, 390, 406, 413, 420, 435, 455, 468, 522, 531, 546, 580, 585, 590, 609, 630, 708, 754, 767, 780, 812, 819, 826, 870, 885, 910, 1015, 1044, 1062, 1092, 1131, 1170, 1180, 1218, 1239, 1260, 1305, 1365, 1508, 1534, 1638, 1652, 1711, 1740, 1770, 1820, 1827, 1885, 2030, 2065, 2124, 2262, 2301, 2340, 2436, 2478, 2610, 2639, 2655, 2730, 3045, 3068, 3276, 3393, 3422, 3540, 3654, 3717, 3770, 3835, 4060, 4095, 4130, 4524, 4602, 4956, 5133, 5220, 5278, 5310, 5369, 5460, 5655, 6090, 6195, 6786, 6844, 6903, 7308, 7434, 7540, 7670, 7917, 8190, 8260, 8555, 9135, 9204, 10266, 10556, 10620, 10738, 11310, 11505, 11977, 12180, 12390, 13195, 13572, 13806, 14868, 15340, 15399, 15834, 16107, 16380, 16965, 17110, 18270, 18585, 20532, 21476, 22243, 22620, 23010, 23751, 23954, 24780, 25665, 26390, 26845, 27612, 30798, 31668, 32214, 33930, 34220, 34515, 35931, 36540, 37170, 39585, 44486, 46020, 47502, 47908, 48321, 51330, 52780, 53690, 59885, 61596, 64428, 66729, 67860, 69030, 71862, 74340, 76995, 79170, 80535, 88972, 95004, 96642, 102660, 107380, 107793, 111215, 118755, 119770, 133458, 138060, 143724, 153990, 155701, 158340, 161070, 179655, 193284, 200187, 215586, 222430, 237510, 239540, 241605, 266916, 307980, 311402, 322140, 333645, 359310, 400374, 431172, 444860, 467103, 475020, 483210, 538965, 622804, 667290, 718620, 778505, 800748, 934206, 966420, 1000935, 1077930, 1334580, 1401309, 1557010, 1868412, 2001870, 2155860, 2335515, 2802618, 3114020, 4003740, 4671030, 5605236, 7006545, 9342060, 14013090, 28026180]

約数ペア:

[(1, 28026180), (2, 14013090), (3, 9342060), (4, 7006545), (5, 5605236), (6, 4671030), (7, 4003740), (9, 3114020), (10, 2802618), (12, 2335515), (13, 2155860), (14, 2001870), (15, 1868412), (18, 1557010), (20, 1401309), (21, 1334580), (26, 1077930), (28, 1000935), (29, 966420), (30, 934206), (35, 800748), (36, 778505), (39, 718620), (42, 667290), (45, 622804), (52, 538965), (58, 483210), (59, 475020), (60, 467103), (63, 444860), (65, 431172), (70, 400374), (78, 359310), (84, 333645), (87, 322140), (90, 311402), (91, 307980), (105, 266916), (116, 241605), (117, 239540), (118, 237510), (126, 222430), (130, 215586), (140, 200187), (145, 193284), (156, 179655), (174, 161070), (177, 158340), (180, 155701), (182, 153990), (195, 143724), (203, 138060), (210, 133458), (234, 119770), (236, 118755), (252, 111215), (260, 107793), (261, 107380), (273, 102660), (290, 96642), (295, 95004), (315, 88972), (348, 80535), (354, 79170), (364, 76995), (377, 74340), (390, 71862), (406, 69030), (413, 67860), (420, 66729), (435, 64428), (455, 61596), (468, 59885), (522, 53690), (531, 52780), (546, 51330), (580, 48321), (585, 47908), (590, 47502), (609, 46020), (630, 44486), (708, 39585), (754, 37170), (767, 36540), (780, 35931), (812, 34515), (819, 34220), (826, 33930), (870, 32214), (885, 31668), (910, 30798), (1015, 27612), (1044, 26845), (1062, 26390), (1092, 25665), (1131, 24780), (1170, 23954), (1180, 23751), (1218, 23010), (1239, 22620), (1260, 22243), (1305, 21476), (1365, 20532), (1508, 18585), (1534, 18270), (1638, 17110), (1652, 16965), (1711, 16380), (1740, 16107), (1770, 15834), (1820, 15399), (1827, 15340), (1885, 14868), (2030, 13806), (2065, 13572), (2124, 13195), (2262, 12390), (2301, 12180), (2340, 11977), (2436, 11505), (2478, 11310), (2610, 10738), (2639, 10620), (2655, 10556), (2730, 10266), (3045, 9204), (3068, 9135), (3276, 8555), (3393, 8260), (3422, 8190), (3540, 7917), (3654, 7670), (3717, 7540), (3770, 7434), (3835, 7308), (4060, 6903), (4095, 6844), (4130, 6786), (4524, 6195), (4602, 6090), (4956, 5655), (5133, 5460), (5220, 5369), (5278, 5310)]