15516540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{349}}^1$

素因数の和:396

約数の個数: 144

約数和(自身を含む): 53508000

約数和(自身を除く): 37991460

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 19, 20, 26, 30, 36, 38, 39, 45, 52, 57, 60, 65, 76, 78, 90, 95, 114, 117, 130, 156, 171, 180, 190, 195, 228, 234, 247, 260, 285, 342, 349, 380, 390, 468, 494, 570, 585, 684, 698, 741, 780, 855, 988, 1047, 1140, 1170, 1235, 1396, 1482, 1710, 1745, 2094, 2223, 2340, 2470, 2964, 3141, 3420, 3490, 3705, 4188, 4446, 4537, 4940, 5235, 6282, 6631, 6980, 7410, 8892, 9074, 10470, 11115, 12564, 13262, 13611, 14820, 15705, 18148, 19893, 20940, 22230, 22685, 26524, 27222, 31410, 33155, 39786, 40833, 44460, 45370, 54444, 59679, 62820, 66310, 68055, 79572, 81666, 86203, 90740, 99465, 119358, 132620, 136110, 163332, 172406, 198930, 204165, 238716, 258609, 272220, 298395, 344812, 397860, 408330, 431015, 517218, 596790, 775827, 816660, 862030, 1034436, 1193580, 1293045, 1551654, 1724060, 2586090, 3103308, 3879135, 5172180, 7758270, 15516540]

約数ペア:

[(1, 15516540), (2, 7758270), (3, 5172180), (4, 3879135), (5, 3103308), (6, 2586090), (9, 1724060), (10, 1551654), (12, 1293045), (13, 1193580), (15, 1034436), (18, 862030), (19, 816660), (20, 775827), (26, 596790), (30, 517218), (36, 431015), (38, 408330), (39, 397860), (45, 344812), (52, 298395), (57, 272220), (60, 258609), (65, 238716), (76, 204165), (78, 198930), (90, 172406), (95, 163332), (114, 136110), (117, 132620), (130, 119358), (156, 99465), (171, 90740), (180, 86203), (190, 81666), (195, 79572), (228, 68055), (234, 66310), (247, 62820), (260, 59679), (285, 54444), (342, 45370), (349, 44460), (380, 40833), (390, 39786), (468, 33155), (494, 31410), (570, 27222), (585, 26524), (684, 22685), (698, 22230), (741, 20940), (780, 19893), (855, 18148), (988, 15705), (1047, 14820), (1140, 13611), (1170, 13262), (1235, 12564), (1396, 11115), (1482, 10470), (1710, 9074), (1745, 8892), (2094, 7410), (2223, 6980), (2340, 6631), (2470, 6282), (2964, 5235), (3141, 4940), (3420, 4537), (3490, 4446), (3705, 4188)]