31945560

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{151}}^1$

素因数の和:249

約数の個数: 128

約数和(自身を含む): 101122560

約数和(自身を除く): 69177000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 41, 43, 60, 82, 86, 120, 123, 129, 151, 164, 172, 205, 215, 246, 258, 302, 328, 344, 410, 430, 453, 492, 516, 604, 615, 645, 755, 820, 860, 906, 984, 1032, 1208, 1230, 1290, 1510, 1640, 1720, 1763, 1812, 2265, 2460, 2580, 3020, 3526, 3624, 4530, 4920, 5160, 5289, 6040, 6191, 6493, 7052, 8815, 9060, 10578, 12382, 12986, 14104, 17630, 18120, 18573, 19479, 21156, 24764, 25972, 26445, 30955, 32465, 35260, 37146, 38958, 42312, 49528, 51944, 52890, 61910, 64930, 70520, 74292, 77916, 92865, 97395, 105780, 123820, 129860, 148584, 155832, 185730, 194790, 211560, 247640, 259720, 266213, 371460, 389580, 532426, 742920, 779160, 798639, 1064852, 1331065, 1597278, 2129704, 2662130, 3194556, 3993195, 5324260, 6389112, 7986390, 10648520, 15972780, 31945560]

約数ペア:

[(1, 31945560), (2, 15972780), (3, 10648520), (4, 7986390), (5, 6389112), (6, 5324260), (8, 3993195), (10, 3194556), (12, 2662130), (15, 2129704), (20, 1597278), (24, 1331065), (30, 1064852), (40, 798639), (41, 779160), (43, 742920), (60, 532426), (82, 389580), (86, 371460), (120, 266213), (123, 259720), (129, 247640), (151, 211560), (164, 194790), (172, 185730), (205, 155832), (215, 148584), (246, 129860), (258, 123820), (302, 105780), (328, 97395), (344, 92865), (410, 77916), (430, 74292), (453, 70520), (492, 64930), (516, 61910), (604, 52890), (615, 51944), (645, 49528), (755, 42312), (820, 38958), (860, 37146), (906, 35260), (984, 32465), (1032, 30955), (1208, 26445), (1230, 25972), (1290, 24764), (1510, 21156), (1640, 19479), (1720, 18573), (1763, 18120), (1812, 17630), (2265, 14104), (2460, 12986), (2580, 12382), (3020, 10578), (3526, 9060), (3624, 8815), (4530, 7052), (4920, 6493), (5160, 6191), (5289, 6040)]