408560940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{239}}^1\times {\mathrm{9497}}^1$

素因数の和:9751

約数の個数: 72

約数和(自身を含む): 1244617920

約数和(自身を除く): 836056980

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 239, 478, 717, 956, 1195, 1434, 2151, 2390, 2868, 3585, 4302, 4780, 7170, 8604, 9497, 10755, 14340, 18994, 21510, 28491, 37988, 43020, 47485, 56982, 85473, 94970, 113964, 142455, 170946, 189940, 284910, 341892, 427365, 569820, 854730, 1709460, 2269783, 4539566, 6809349, 9079132, 11348915, 13618698, 20428047, 22697830, 27237396, 34046745, 40856094, 45395660, 68093490, 81712188, 102140235, 136186980, 204280470, 408560940]

約数ペア:

[(1, 408560940), (2, 204280470), (3, 136186980), (4, 102140235), (5, 81712188), (6, 68093490), (9, 45395660), (10, 40856094), (12, 34046745), (15, 27237396), (18, 22697830), (20, 20428047), (30, 13618698), (36, 11348915), (45, 9079132), (60, 6809349), (90, 4539566), (180, 2269783), (239, 1709460), (478, 854730), (717, 569820), (956, 427365), (1195, 341892), (1434, 284910), (2151, 189940), (2390, 170946), (2868, 142455), (3585, 113964), (4302, 94970), (4780, 85473), (7170, 56982), (8604, 47485), (9497, 43020), (10755, 37988), (14340, 28491), (18994, 21510)]