15678505480

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{20143}}^1$

素因数の和:20255

約数の個数: 128

約数和(自身を含む): 40465267200

約数和(自身を除く): 24786761720

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 29, 40, 44, 55, 58, 61, 88, 110, 116, 122, 145, 220, 232, 244, 290, 305, 319, 440, 488, 580, 610, 638, 671, 1160, 1220, 1276, 1342, 1595, 1769, 2440, 2552, 2684, 3190, 3355, 3538, 5368, 6380, 6710, 7076, 8845, 12760, 13420, 14152, 17690, 19459, 20143, 26840, 35380, 38918, 40286, 70760, 77836, 80572, 97295, 100715, 155672, 161144, 194590, 201430, 221573, 389180, 402860, 443146, 584147, 778360, 805720, 886292, 1107865, 1168294, 1228723, 1772584, 2215730, 2336588, 2457446, 2920735, 4431460, 4673176, 4914892, 5841470, 6143615, 6425617, 8862920, 9829784, 11682940, 12287230, 12851234, 13515953, 23365880, 24574460, 25702468, 27031906, 32128085, 35632967, 49148920, 51404936, 54063812, 64256170, 67579765, 71265934, 108127624, 128512340, 135159530, 142531868, 178164835, 257024680, 270319060, 285063736, 356329670, 391962637, 540638120, 712659340, 783925274, 1425318680, 1567850548, 1959813185, 3135701096, 3919626370, 7839252740, 15678505480]

約数ペア:

[(1, 15678505480), (2, 7839252740), (4, 3919626370), (5, 3135701096), (8, 1959813185), (10, 1567850548), (11, 1425318680), (20, 783925274), (22, 712659340), (29, 540638120), (40, 391962637), (44, 356329670), (55, 285063736), (58, 270319060), (61, 257024680), (88, 178164835), (110, 142531868), (116, 135159530), (122, 128512340), (145, 108127624), (220, 71265934), (232, 67579765), (244, 64256170), (290, 54063812), (305, 51404936), (319, 49148920), (440, 35632967), (488, 32128085), (580, 27031906), (610, 25702468), (638, 24574460), (671, 23365880), (1160, 13515953), (1220, 12851234), (1276, 12287230), (1342, 11682940), (1595, 9829784), (1769, 8862920), (2440, 6425617), (2552, 6143615), (2684, 5841470), (3190, 4914892), (3355, 4673176), (3538, 4431460), (5368, 2920735), (6380, 2457446), (6710, 2336588), (7076, 2215730), (8845, 1772584), (12760, 1228723), (13420, 1168294), (14152, 1107865), (17690, 886292), (19459, 805720), (20143, 778360), (26840, 584147), (35380, 443146), (38918, 402860), (40286, 389180), (70760, 221573), (77836, 201430), (80572, 194590), (97295, 161144), (100715, 155672)]