18010480

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1$

素因数の和:107

約数の個数: 120

約数和(自身を含む): 47965680

約数和(自身を除く): 29955200

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 19, 20, 34, 38, 40, 41, 68, 76, 80, 82, 85, 95, 136, 152, 164, 170, 190, 205, 272, 289, 304, 323, 328, 340, 380, 410, 578, 646, 656, 680, 697, 760, 779, 820, 1156, 1292, 1360, 1394, 1445, 1520, 1558, 1615, 1640, 2312, 2584, 2788, 2890, 3116, 3230, 3280, 3485, 3895, 4624, 5168, 5491, 5576, 5780, 6232, 6460, 6970, 7790, 10982, 11152, 11560, 11849, 12464, 12920, 13243, 13940, 15580, 21964, 23120, 23698, 25840, 26486, 27455, 27880, 31160, 43928, 47396, 52972, 54910, 55760, 59245, 62320, 66215, 87856, 94792, 105944, 109820, 118490, 132430, 189584, 211888, 219640, 225131, 236980, 264860, 439280, 450262, 473960, 529720, 900524, 947920, 1059440, 1125655, 1801048, 2251310, 3602096, 4502620, 9005240, 18010480]

約数ペア:

[(1, 18010480), (2, 9005240), (4, 4502620), (5, 3602096), (8, 2251310), (10, 1801048), (16, 1125655), (17, 1059440), (19, 947920), (20, 900524), (34, 529720), (38, 473960), (40, 450262), (41, 439280), (68, 264860), (76, 236980), (80, 225131), (82, 219640), (85, 211888), (95, 189584), (136, 132430), (152, 118490), (164, 109820), (170, 105944), (190, 94792), (205, 87856), (272, 66215), (289, 62320), (304, 59245), (323, 55760), (328, 54910), (340, 52972), (380, 47396), (410, 43928), (578, 31160), (646, 27880), (656, 27455), (680, 26486), (697, 25840), (760, 23698), (779, 23120), (820, 21964), (1156, 15580), (1292, 13940), (1360, 13243), (1394, 12920), (1445, 12464), (1520, 11849), (1558, 11560), (1615, 11152), (1640, 10982), (2312, 7790), (2584, 6970), (2788, 6460), (2890, 6232), (3116, 5780), (3230, 5576), (3280, 5491), (3485, 5168), (3895, 4624)]