18160380

素因数分解:

$2^2\times 3^2\times 5^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{71}}^1$

素因数の和:129

約数の個数: 216

約数和(自身を含む): 67223520

約数和(自身を除く): 49063140

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 29, 30, 35, 36, 42, 45, 49, 58, 60, 63, 70, 71, 84, 87, 90, 98, 105, 116, 126, 140, 142, 145, 147, 174, 180, 196, 203, 210, 213, 245, 252, 261, 284, 290, 294, 315, 348, 355, 406, 420, 426, 435, 441, 490, 497, 522, 580, 588, 609, 630, 639, 710, 735, 812, 852, 870, 882, 980, 994, 1015, 1044, 1065, 1218, 1260, 1278, 1305, 1420, 1421, 1470, 1491, 1740, 1764, 1827, 1988, 2030, 2059, 2130, 2205, 2436, 2485, 2556, 2610, 2842, 2940, 2982, 3045, 3195, 3479, 3654, 4060, 4118, 4260, 4263, 4410, 4473, 4970, 5220, 5684, 5964, 6090, 6177, 6390, 6958, 7105, 7308, 7455, 8236, 8526, 8820, 8946, 9135, 9940, 10295, 10437, 12180, 12354, 12780, 12789, 13916, 14210, 14413, 14910, 17052, 17395, 17892, 18270, 18531, 20590, 20874, 21315, 22365, 24708, 25578, 28420, 28826, 29820, 30885, 31311, 34790, 36540, 37062, 41180, 41748, 42630, 43239, 44730, 51156, 52185, 57652, 61770, 62622, 63945, 69580, 72065, 74124, 85260, 86478, 89460, 92655, 100891, 104370, 123540, 125244, 127890, 129717, 144130, 156555, 172956, 185310, 201782, 208740, 216195, 255780, 259434, 288260, 302673, 313110, 370620, 403564, 432390, 504455, 518868, 605346, 626220, 648585, 864780, 908019, 1008910, 1210692, 1297170, 1513365, 1816038, 2017820, 2594340, 3026730, 3632076, 4540095, 6053460, 9080190, 18160380]

約数ペア:

[(1, 18160380), (2, 9080190), (3, 6053460), (4, 4540095), (5, 3632076), (6, 3026730), (7, 2594340), (9, 2017820), (10, 1816038), (12, 1513365), (14, 1297170), (15, 1210692), (18, 1008910), (20, 908019), (21, 864780), (28, 648585), (29, 626220), (30, 605346), (35, 518868), (36, 504455), (42, 432390), (45, 403564), (49, 370620), (58, 313110), (60, 302673), (63, 288260), (70, 259434), (71, 255780), (84, 216195), (87, 208740), (90, 201782), (98, 185310), (105, 172956), (116, 156555), (126, 144130), (140, 129717), (142, 127890), (145, 125244), (147, 123540), (174, 104370), (180, 100891), (196, 92655), (203, 89460), (210, 86478), (213, 85260), (245, 74124), (252, 72065), (261, 69580), (284, 63945), (290, 62622), (294, 61770), (315, 57652), (348, 52185), (355, 51156), (406, 44730), (420, 43239), (426, 42630), (435, 41748), (441, 41180), (490, 37062), (497, 36540), (522, 34790), (580, 31311), (588, 30885), (609, 29820), (630, 28826), (639, 28420), (710, 25578), (735, 24708), (812, 22365), (852, 21315), (870, 20874), (882, 20590), (980, 18531), (994, 18270), (1015, 17892), (1044, 17395), (1065, 17052), (1218, 14910), (1260, 14413), (1278, 14210), (1305, 13916), (1420, 12789), (1421, 12780), (1470, 12354), (1491, 12180), (1740, 10437), (1764, 10295), (1827, 9940), (1988, 9135), (2030, 8946), (2059, 8820), (2130, 8526), (2205, 8236), (2436, 7455), (2485, 7308), (2556, 7105), (2610, 6958), (2842, 6390), (2940, 6177), (2982, 6090), (3045, 5964), (3195, 5684), (3479, 5220), (3654, 4970), (4060, 4473), (4118, 4410), (4260, 4263)]