161729220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{263}}^1\times {\mathrm{277}}^1$

素因数の和:589

約数の個数: 96

約数和(自身を含む): 468534528

約数和(自身を除く): 306805308

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 37, 60, 74, 111, 148, 185, 222, 263, 277, 370, 444, 526, 554, 555, 740, 789, 831, 1052, 1108, 1110, 1315, 1385, 1578, 1662, 2220, 2630, 2770, 3156, 3324, 3945, 4155, 5260, 5540, 7890, 8310, 9731, 10249, 15780, 16620, 19462, 20498, 29193, 30747, 38924, 40996, 48655, 51245, 58386, 61494, 72851, 97310, 102490, 116772, 122988, 145702, 145965, 153735, 194620, 204980, 218553, 291404, 291930, 307470, 364255, 437106, 583860, 614940, 728510, 874212, 1092765, 1457020, 2185530, 2695487, 4371060, 5390974, 8086461, 10781948, 13477435, 16172922, 26954870, 32345844, 40432305, 53909740, 80864610, 161729220]

約数ペア:

[(1, 161729220), (2, 80864610), (3, 53909740), (4, 40432305), (5, 32345844), (6, 26954870), (10, 16172922), (12, 13477435), (15, 10781948), (20, 8086461), (30, 5390974), (37, 4371060), (60, 2695487), (74, 2185530), (111, 1457020), (148, 1092765), (185, 874212), (222, 728510), (263, 614940), (277, 583860), (370, 437106), (444, 364255), (526, 307470), (554, 291930), (555, 291404), (740, 218553), (789, 204980), (831, 194620), (1052, 153735), (1108, 145965), (1110, 145702), (1315, 122988), (1385, 116772), (1578, 102490), (1662, 97310), (2220, 72851), (2630, 61494), (2770, 58386), (3156, 51245), (3324, 48655), (3945, 40996), (4155, 38924), (5260, 30747), (5540, 29193), (7890, 20498), (8310, 19462), (9731, 16620), (10249, 15780)]