90304720

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{491}}^1$

素因数の和:545

約数の個数: 120

約数和(自身を含む): 243421920

約数和(自身を除く): 153117200

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 19, 20, 22, 38, 40, 44, 55, 76, 80, 88, 95, 110, 121, 152, 176, 190, 209, 220, 242, 304, 380, 418, 440, 484, 491, 605, 760, 836, 880, 968, 982, 1045, 1210, 1520, 1672, 1936, 1964, 2090, 2299, 2420, 2455, 3344, 3928, 4180, 4598, 4840, 4910, 5401, 7856, 8360, 9196, 9329, 9680, 9820, 10802, 11495, 16720, 18392, 18658, 19640, 21604, 22990, 27005, 36784, 37316, 39280, 43208, 45980, 46645, 54010, 59411, 74632, 86416, 91960, 93290, 102619, 108020, 118822, 149264, 183920, 186580, 205238, 216040, 237644, 297055, 373160, 410476, 432080, 475288, 513095, 594110, 746320, 820952, 950576, 1026190, 1128809, 1188220, 1641904, 2052380, 2257618, 2376440, 4104760, 4515236, 4752880, 5644045, 8209520, 9030472, 11288090, 18060944, 22576180, 45152360, 90304720]

約数ペア:

[(1, 90304720), (2, 45152360), (4, 22576180), (5, 18060944), (8, 11288090), (10, 9030472), (11, 8209520), (16, 5644045), (19, 4752880), (20, 4515236), (22, 4104760), (38, 2376440), (40, 2257618), (44, 2052380), (55, 1641904), (76, 1188220), (80, 1128809), (88, 1026190), (95, 950576), (110, 820952), (121, 746320), (152, 594110), (176, 513095), (190, 475288), (209, 432080), (220, 410476), (242, 373160), (304, 297055), (380, 237644), (418, 216040), (440, 205238), (484, 186580), (491, 183920), (605, 149264), (760, 118822), (836, 108020), (880, 102619), (968, 93290), (982, 91960), (1045, 86416), (1210, 74632), (1520, 59411), (1672, 54010), (1936, 46645), (1964, 45980), (2090, 43208), (2299, 39280), (2420, 37316), (2455, 36784), (3344, 27005), (3928, 22990), (4180, 21604), (4598, 19640), (4840, 18658), (4910, 18392), (5401, 16720), (7856, 11495), (8360, 10802), (9196, 9820), (9329, 9680)]