68005240

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{593}}^1$

素因数の和:712

約数の個数: 64

約数和(自身を含む): 159096960

約数和(自身を除く): 91091720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 61, 94, 122, 188, 235, 244, 305, 376, 470, 488, 593, 610, 940, 1186, 1220, 1880, 2372, 2440, 2867, 2965, 4744, 5734, 5930, 11468, 11860, 14335, 22936, 23720, 27871, 28670, 36173, 55742, 57340, 72346, 111484, 114680, 139355, 144692, 180865, 222968, 278710, 289384, 361730, 557420, 723460, 1114840, 1446920, 1700131, 3400262, 6800524, 8500655, 13601048, 17001310, 34002620, 68005240]

約数ペア:

[(1, 68005240), (2, 34002620), (4, 17001310), (5, 13601048), (8, 8500655), (10, 6800524), (20, 3400262), (40, 1700131), (47, 1446920), (61, 1114840), (94, 723460), (122, 557420), (188, 361730), (235, 289384), (244, 278710), (305, 222968), (376, 180865), (470, 144692), (488, 139355), (593, 114680), (610, 111484), (940, 72346), (1186, 57340), (1220, 55742), (1880, 36173), (2372, 28670), (2440, 27871), (2867, 23720), (2965, 22936), (4744, 14335), (5734, 11860), (5930, 11468)]