28386540

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1733}}^1$

素因数の和:1768

約数の個数: 144

約数和(自身を含む): 106037568

約数和(自身を除く): 77651028

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 13, 14, 15, 18, 20, 21, 26, 28, 30, 35, 36, 39, 42, 45, 52, 60, 63, 65, 70, 78, 84, 90, 91, 105, 117, 126, 130, 140, 156, 180, 182, 195, 210, 234, 252, 260, 273, 315, 364, 390, 420, 455, 468, 546, 585, 630, 780, 819, 910, 1092, 1170, 1260, 1365, 1638, 1733, 1820, 2340, 2730, 3276, 3466, 4095, 5199, 5460, 6932, 8190, 8665, 10398, 12131, 15597, 16380, 17330, 20796, 22529, 24262, 25995, 31194, 34660, 36393, 45058, 48524, 51990, 60655, 62388, 67587, 72786, 77985, 90116, 103980, 109179, 112645, 121310, 135174, 145572, 155970, 157703, 181965, 202761, 218358, 225290, 242620, 270348, 311940, 315406, 337935, 363930, 405522, 436716, 450580, 473109, 545895, 630812, 675870, 727860, 788515, 811044, 946218, 1013805, 1091790, 1351740, 1419327, 1577030, 1892436, 2027610, 2183580, 2365545, 2838654, 3154060, 4055220, 4731090, 5677308, 7096635, 9462180, 14193270, 28386540]

約数ペア:

[(1, 28386540), (2, 14193270), (3, 9462180), (4, 7096635), (5, 5677308), (6, 4731090), (7, 4055220), (9, 3154060), (10, 2838654), (12, 2365545), (13, 2183580), (14, 2027610), (15, 1892436), (18, 1577030), (20, 1419327), (21, 1351740), (26, 1091790), (28, 1013805), (30, 946218), (35, 811044), (36, 788515), (39, 727860), (42, 675870), (45, 630812), (52, 545895), (60, 473109), (63, 450580), (65, 436716), (70, 405522), (78, 363930), (84, 337935), (90, 315406), (91, 311940), (105, 270348), (117, 242620), (126, 225290), (130, 218358), (140, 202761), (156, 181965), (180, 157703), (182, 155970), (195, 145572), (210, 135174), (234, 121310), (252, 112645), (260, 109179), (273, 103980), (315, 90116), (364, 77985), (390, 72786), (420, 67587), (455, 62388), (468, 60655), (546, 51990), (585, 48524), (630, 45058), (780, 36393), (819, 34660), (910, 31194), (1092, 25995), (1170, 24262), (1260, 22529), (1365, 20796), (1638, 17330), (1733, 16380), (1820, 15597), (2340, 12131), (2730, 10398), (3276, 8665), (3466, 8190), (4095, 6932), (5199, 5460)]