31313880

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{6691}}^1$

素因数の和:6721

約数の個数: 96

約数和(自身を含む): 109614960

約数和(自身を除く): 78301080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 26, 30, 36, 39, 40, 45, 52, 60, 65, 72, 78, 90, 104, 117, 120, 130, 156, 180, 195, 234, 260, 312, 360, 390, 468, 520, 585, 780, 936, 1170, 1560, 2340, 4680, 6691, 13382, 20073, 26764, 33455, 40146, 53528, 60219, 66910, 80292, 86983, 100365, 120438, 133820, 160584, 173966, 200730, 240876, 260949, 267640, 301095, 347932, 401460, 434915, 481752, 521898, 602190, 695864, 782847, 802920, 869830, 1043796, 1204380, 1304745, 1565694, 1739660, 2087592, 2408760, 2609490, 3131388, 3479320, 3914235, 5218980, 6262776, 7828470, 10437960, 15656940, 31313880]

約数ペア:

[(1, 31313880), (2, 15656940), (3, 10437960), (4, 7828470), (5, 6262776), (6, 5218980), (8, 3914235), (9, 3479320), (10, 3131388), (12, 2609490), (13, 2408760), (15, 2087592), (18, 1739660), (20, 1565694), (24, 1304745), (26, 1204380), (30, 1043796), (36, 869830), (39, 802920), (40, 782847), (45, 695864), (52, 602190), (60, 521898), (65, 481752), (72, 434915), (78, 401460), (90, 347932), (104, 301095), (117, 267640), (120, 260949), (130, 240876), (156, 200730), (180, 173966), (195, 160584), (234, 133820), (260, 120438), (312, 100365), (360, 86983), (390, 80292), (468, 66910), (520, 60219), (585, 53528), (780, 40146), (936, 33455), (1170, 26764), (1560, 20073), (2340, 13382), (4680, 6691)]