91897020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{383}}^1$

素因数の和:472

約数の個数: 144

約数和(自身を含む): 295206912

約数和(自身を除く): 203309892

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 31, 36, 43, 45, 60, 62, 86, 90, 93, 124, 129, 155, 172, 180, 186, 215, 258, 279, 310, 372, 383, 387, 430, 465, 516, 558, 620, 645, 766, 774, 860, 930, 1116, 1149, 1290, 1333, 1395, 1532, 1548, 1860, 1915, 1935, 2298, 2580, 2666, 2790, 3447, 3830, 3870, 3999, 4596, 5332, 5580, 5745, 6665, 6894, 7660, 7740, 7998, 11490, 11873, 11997, 13330, 13788, 15996, 16469, 17235, 19995, 22980, 23746, 23994, 26660, 32938, 34470, 35619, 39990, 47492, 47988, 49407, 59365, 59985, 65876, 68940, 71238, 79980, 82345, 98814, 106857, 118730, 119970, 142476, 148221, 164690, 178095, 197628, 213714, 237460, 239940, 247035, 296442, 329380, 356190, 427428, 494070, 510539, 534285, 592884, 712380, 741105, 988140, 1021078, 1068570, 1482210, 1531617, 2042156, 2137140, 2552695, 2964420, 3063234, 4594851, 5105390, 6126468, 7658085, 9189702, 10210780, 15316170, 18379404, 22974255, 30632340, 45948510, 91897020]

約数ペア:

[(1, 91897020), (2, 45948510), (3, 30632340), (4, 22974255), (5, 18379404), (6, 15316170), (9, 10210780), (10, 9189702), (12, 7658085), (15, 6126468), (18, 5105390), (20, 4594851), (30, 3063234), (31, 2964420), (36, 2552695), (43, 2137140), (45, 2042156), (60, 1531617), (62, 1482210), (86, 1068570), (90, 1021078), (93, 988140), (124, 741105), (129, 712380), (155, 592884), (172, 534285), (180, 510539), (186, 494070), (215, 427428), (258, 356190), (279, 329380), (310, 296442), (372, 247035), (383, 239940), (387, 237460), (430, 213714), (465, 197628), (516, 178095), (558, 164690), (620, 148221), (645, 142476), (766, 119970), (774, 118730), (860, 106857), (930, 98814), (1116, 82345), (1149, 79980), (1290, 71238), (1333, 68940), (1395, 65876), (1532, 59985), (1548, 59365), (1860, 49407), (1915, 47988), (1935, 47492), (2298, 39990), (2580, 35619), (2666, 34470), (2790, 32938), (3447, 26660), (3830, 23994), (3870, 23746), (3999, 22980), (4596, 19995), (5332, 17235), (5580, 16469), (5745, 15996), (6665, 13788), (6894, 13330), (7660, 11997), (7740, 11873), (7998, 11490)]