123234020

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{569}}^1$

素因数の和:622

約数の個数: 144

約数和(自身を含む): 343874160

約数和(自身を除く): 220640140

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 17, 20, 26, 28, 34, 35, 49, 52, 65, 68, 70, 85, 91, 98, 119, 130, 140, 170, 182, 196, 221, 238, 245, 260, 340, 364, 442, 455, 476, 490, 569, 595, 637, 833, 884, 910, 980, 1105, 1138, 1190, 1274, 1547, 1666, 1820, 2210, 2276, 2380, 2548, 2845, 3094, 3185, 3332, 3983, 4165, 4420, 5690, 6188, 6370, 7397, 7735, 7966, 8330, 9673, 10829, 11380, 12740, 14794, 15470, 15932, 16660, 19346, 19915, 21658, 27881, 29588, 30940, 36985, 38692, 39830, 43316, 48365, 51779, 54145, 55762, 67711, 73970, 79660, 96730, 103558, 108290, 111524, 125749, 135422, 139405, 147940, 193460, 207116, 216580, 251498, 258895, 270844, 278810, 338555, 362453, 473977, 502996, 517790, 557620, 628745, 677110, 724906, 880243, 947954, 1035580, 1257490, 1354220, 1449812, 1760486, 1812265, 1895908, 2369885, 2514980, 3520972, 3624530, 4401215, 4739770, 6161701, 7249060, 8802430, 9479540, 12323402, 17604860, 24646804, 30808505, 61617010, 123234020]

約数ペア:

[(1, 123234020), (2, 61617010), (4, 30808505), (5, 24646804), (7, 17604860), (10, 12323402), (13, 9479540), (14, 8802430), (17, 7249060), (20, 6161701), (26, 4739770), (28, 4401215), (34, 3624530), (35, 3520972), (49, 2514980), (52, 2369885), (65, 1895908), (68, 1812265), (70, 1760486), (85, 1449812), (91, 1354220), (98, 1257490), (119, 1035580), (130, 947954), (140, 880243), (170, 724906), (182, 677110), (196, 628745), (221, 557620), (238, 517790), (245, 502996), (260, 473977), (340, 362453), (364, 338555), (442, 278810), (455, 270844), (476, 258895), (490, 251498), (569, 216580), (595, 207116), (637, 193460), (833, 147940), (884, 139405), (910, 135422), (980, 125749), (1105, 111524), (1138, 108290), (1190, 103558), (1274, 96730), (1547, 79660), (1666, 73970), (1820, 67711), (2210, 55762), (2276, 54145), (2380, 51779), (2548, 48365), (2845, 43316), (3094, 39830), (3185, 38692), (3332, 36985), (3983, 30940), (4165, 29588), (4420, 27881), (5690, 21658), (6188, 19915), (6370, 19346), (7397, 16660), (7735, 15932), (7966, 15470), (8330, 14794), (9673, 12740), (10829, 11380)]