27489680

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^2\times {\mathrm{29}}^1\times {\mathrm{41}}^1$

素因数の和:117

約数の個数: 120

約数和(自身を含む): 71948520

約数和(自身を除く): 44458840

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 29, 34, 40, 41, 58, 68, 80, 82, 85, 116, 136, 145, 164, 170, 205, 232, 272, 289, 290, 328, 340, 410, 464, 493, 578, 580, 656, 680, 697, 820, 986, 1156, 1160, 1189, 1360, 1394, 1445, 1640, 1972, 2312, 2320, 2378, 2465, 2788, 2890, 3280, 3485, 3944, 4624, 4756, 4930, 5576, 5780, 5945, 6970, 7888, 8381, 9512, 9860, 11152, 11560, 11849, 11890, 13940, 16762, 19024, 19720, 20213, 23120, 23698, 23780, 27880, 33524, 39440, 40426, 41905, 47396, 47560, 55760, 59245, 67048, 80852, 83810, 94792, 95120, 101065, 118490, 134096, 161704, 167620, 189584, 202130, 236980, 323408, 335240, 343621, 404260, 473960, 670480, 687242, 808520, 947920, 1374484, 1617040, 1718105, 2748968, 3436210, 5497936, 6872420, 13744840, 27489680]

約数ペア:

[(1, 27489680), (2, 13744840), (4, 6872420), (5, 5497936), (8, 3436210), (10, 2748968), (16, 1718105), (17, 1617040), (20, 1374484), (29, 947920), (34, 808520), (40, 687242), (41, 670480), (58, 473960), (68, 404260), (80, 343621), (82, 335240), (85, 323408), (116, 236980), (136, 202130), (145, 189584), (164, 167620), (170, 161704), (205, 134096), (232, 118490), (272, 101065), (289, 95120), (290, 94792), (328, 83810), (340, 80852), (410, 67048), (464, 59245), (493, 55760), (578, 47560), (580, 47396), (656, 41905), (680, 40426), (697, 39440), (820, 33524), (986, 27880), (1156, 23780), (1160, 23698), (1189, 23120), (1360, 20213), (1394, 19720), (1445, 19024), (1640, 16762), (1972, 13940), (2312, 11890), (2320, 11849), (2378, 11560), (2465, 11152), (2788, 9860), (2890, 9512), (3280, 8381), (3485, 7888), (3944, 6970), (4624, 5945), (4756, 5780), (4930, 5576)]