81955860

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{2351}}^1$

素因数の和:2453

約数の個数: 96

約数和(自身を含む): 265531392

約数和(自身を除く): 183575532

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 83, 84, 105, 140, 166, 210, 249, 332, 415, 420, 498, 581, 830, 996, 1162, 1245, 1660, 1743, 2324, 2351, 2490, 2905, 3486, 4702, 4980, 5810, 6972, 7053, 8715, 9404, 11620, 11755, 14106, 16457, 17430, 23510, 28212, 32914, 34860, 35265, 47020, 49371, 65828, 70530, 82285, 98742, 141060, 164570, 195133, 197484, 246855, 329140, 390266, 493710, 585399, 780532, 975665, 987420, 1170798, 1365931, 1951330, 2341596, 2731862, 2926995, 3902660, 4097793, 5463724, 5853990, 6829655, 8195586, 11707980, 13659310, 16391172, 20488965, 27318620, 40977930, 81955860]

約数ペア:

[(1, 81955860), (2, 40977930), (3, 27318620), (4, 20488965), (5, 16391172), (6, 13659310), (7, 11707980), (10, 8195586), (12, 6829655), (14, 5853990), (15, 5463724), (20, 4097793), (21, 3902660), (28, 2926995), (30, 2731862), (35, 2341596), (42, 1951330), (60, 1365931), (70, 1170798), (83, 987420), (84, 975665), (105, 780532), (140, 585399), (166, 493710), (210, 390266), (249, 329140), (332, 246855), (415, 197484), (420, 195133), (498, 164570), (581, 141060), (830, 98742), (996, 82285), (1162, 70530), (1245, 65828), (1660, 49371), (1743, 47020), (2324, 35265), (2351, 34860), (2490, 32914), (2905, 28212), (3486, 23510), (4702, 17430), (4980, 16457), (5810, 14106), (6972, 11755), (7053, 11620), (8715, 9404)]