51706980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1163}}^1$

素因数の和:1210

約数の個数: 144

約数和(自身を含む): 177952320

約数和(自身を除く): 126245340

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, 380, 390, 468, 494, 570, 585, 684, 741, 780, 855, 988, 1140, 1163, 1170, 1235, 1482, 1710, 2223, 2326, 2340, 2470, 2964, 3420, 3489, 3705, 4446, 4652, 4940, 5815, 6978, 7410, 8892, 10467, 11115, 11630, 13956, 14820, 15119, 17445, 20934, 22097, 22230, 23260, 30238, 34890, 41868, 44194, 44460, 45357, 52335, 60476, 66291, 69780, 75595, 88388, 90714, 104670, 110485, 132582, 136071, 151190, 181428, 198873, 209340, 220970, 226785, 265164, 272142, 287261, 302380, 331455, 397746, 441940, 453570, 544284, 574522, 662910, 680355, 795492, 861783, 907140, 994365, 1149044, 1325820, 1360710, 1436305, 1723566, 1988730, 2585349, 2721420, 2872610, 3447132, 3977460, 4308915, 5170698, 5745220, 8617830, 10341396, 12926745, 17235660, 25853490, 51706980]

約数ペア:

[(1, 51706980), (2, 25853490), (3, 17235660), (4, 12926745), (5, 10341396), (6, 8617830), (9, 5745220), (10, 5170698), (12, 4308915), (13, 3977460), (15, 3447132), (18, 2872610), (19, 2721420), (20, 2585349), (26, 1988730), (30, 1723566), (36, 1436305), (38, 1360710), (39, 1325820), (45, 1149044), (52, 994365), (57, 907140), (60, 861783), (65, 795492), (76, 680355), (78, 662910), (90, 574522), (95, 544284), (114, 453570), (117, 441940), (130, 397746), (156, 331455), (171, 302380), (180, 287261), (190, 272142), (195, 265164), (228, 226785), (234, 220970), (247, 209340), (260, 198873), (285, 181428), (342, 151190), (380, 136071), (390, 132582), (468, 110485), (494, 104670), (570, 90714), (585, 88388), (684, 75595), (741, 69780), (780, 66291), (855, 60476), (988, 52335), (1140, 45357), (1163, 44460), (1170, 44194), (1235, 41868), (1482, 34890), (1710, 30238), (2223, 23260), (2326, 22230), (2340, 22097), (2470, 20934), (2964, 17445), (3420, 15119), (3489, 14820), (3705, 13956), (4446, 11630), (4652, 11115), (4940, 10467), (5815, 8892), (6978, 7410)]