78653520

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{9931}}^1$

素因数の和:9961

約数の個数: 120

約数和(自身を含む): 288186912

約数和(自身を除く): 209533392

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 30, 33, 36, 40, 44, 45, 48, 55, 60, 66, 72, 80, 88, 90, 99, 110, 120, 132, 144, 165, 176, 180, 198, 220, 240, 264, 330, 360, 396, 440, 495, 528, 660, 720, 792, 880, 990, 1320, 1584, 1980, 2640, 3960, 7920, 9931, 19862, 29793, 39724, 49655, 59586, 79448, 89379, 99310, 109241, 119172, 148965, 158896, 178758, 198620, 218482, 238344, 297930, 327723, 357516, 397240, 436964, 446895, 476688, 546205, 595860, 655446, 715032, 794480, 873928, 893790, 983169, 1092410, 1191720, 1310892, 1430064, 1638615, 1747856, 1787580, 1966338, 2184820, 2383440, 2621784, 3277230, 3575160, 3932676, 4369640, 4915845, 5243568, 6554460, 7150320, 7865352, 8739280, 9831690, 13108920, 15730704, 19663380, 26217840, 39326760, 78653520]

約数ペア:

[(1, 78653520), (2, 39326760), (3, 26217840), (4, 19663380), (5, 15730704), (6, 13108920), (8, 9831690), (9, 8739280), (10, 7865352), (11, 7150320), (12, 6554460), (15, 5243568), (16, 4915845), (18, 4369640), (20, 3932676), (22, 3575160), (24, 3277230), (30, 2621784), (33, 2383440), (36, 2184820), (40, 1966338), (44, 1787580), (45, 1747856), (48, 1638615), (55, 1430064), (60, 1310892), (66, 1191720), (72, 1092410), (80, 983169), (88, 893790), (90, 873928), (99, 794480), (110, 715032), (120, 655446), (132, 595860), (144, 546205), (165, 476688), (176, 446895), (180, 436964), (198, 397240), (220, 357516), (240, 327723), (264, 297930), (330, 238344), (360, 218482), (396, 198620), (440, 178758), (495, 158896), (528, 148965), (660, 119172), (720, 109241), (792, 99310), (880, 89379), (990, 79448), (1320, 59586), (1584, 49655), (1980, 39724), (2640, 29793), (3960, 19862), (7920, 9931)]