90348880

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{2143}}^1$

素因数の和:2204

約数の個数: 80

約数和(自身を含む): 229699584

約数和(自身を除く): 139350704

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 31, 34, 40, 62, 68, 80, 85, 124, 136, 155, 170, 248, 272, 310, 340, 496, 527, 620, 680, 1054, 1240, 1360, 2108, 2143, 2480, 2635, 4216, 4286, 5270, 8432, 8572, 10540, 10715, 17144, 21080, 21430, 34288, 36431, 42160, 42860, 66433, 72862, 85720, 132866, 145724, 171440, 182155, 265732, 291448, 332165, 364310, 531464, 582896, 664330, 728620, 1062928, 1129361, 1328660, 1457240, 2258722, 2657320, 2914480, 4517444, 5314640, 5646805, 9034888, 11293610, 18069776, 22587220, 45174440, 90348880]

約数ペア:

[(1, 90348880), (2, 45174440), (4, 22587220), (5, 18069776), (8, 11293610), (10, 9034888), (16, 5646805), (17, 5314640), (20, 4517444), (31, 2914480), (34, 2657320), (40, 2258722), (62, 1457240), (68, 1328660), (80, 1129361), (85, 1062928), (124, 728620), (136, 664330), (155, 582896), (170, 531464), (248, 364310), (272, 332165), (310, 291448), (340, 265732), (496, 182155), (527, 171440), (620, 145724), (680, 132866), (1054, 85720), (1240, 72862), (1360, 66433), (2108, 42860), (2143, 42160), (2480, 36431), (2635, 34288), (4216, 21430), (4286, 21080), (5270, 17144), (8432, 10715), (8572, 10540)]