1311944520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{193}}^1\times {\mathrm{1531}}^1$

素因数の和:1775

約数の個数: 128

約数和(自身を含む): 4065805440

約数和(自身を除く): 2753860920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 37, 40, 60, 74, 111, 120, 148, 185, 193, 222, 296, 370, 386, 444, 555, 579, 740, 772, 888, 965, 1110, 1158, 1480, 1531, 1544, 1930, 2220, 2316, 2895, 3062, 3860, 4440, 4593, 4632, 5790, 6124, 7141, 7655, 7720, 9186, 11580, 12248, 14282, 15310, 18372, 21423, 22965, 23160, 28564, 30620, 35705, 36744, 42846, 45930, 56647, 57128, 61240, 71410, 85692, 91860, 107115, 113294, 142820, 169941, 171384, 183720, 214230, 226588, 283235, 285640, 295483, 339882, 428460, 453176, 566470, 590966, 679764, 849705, 856920, 886449, 1132940, 1181932, 1359528, 1477415, 1699410, 1772898, 2265880, 2363864, 2954830, 3398820, 3545796, 4432245, 5909660, 6797640, 7091592, 8864490, 10932871, 11819320, 17728980, 21865742, 32798613, 35457960, 43731484, 54664355, 65597226, 87462968, 109328710, 131194452, 163993065, 218657420, 262388904, 327986130, 437314840, 655972260, 1311944520]

約数ペア:

[(1, 1311944520), (2, 655972260), (3, 437314840), (4, 327986130), (5, 262388904), (6, 218657420), (8, 163993065), (10, 131194452), (12, 109328710), (15, 87462968), (20, 65597226), (24, 54664355), (30, 43731484), (37, 35457960), (40, 32798613), (60, 21865742), (74, 17728980), (111, 11819320), (120, 10932871), (148, 8864490), (185, 7091592), (193, 6797640), (222, 5909660), (296, 4432245), (370, 3545796), (386, 3398820), (444, 2954830), (555, 2363864), (579, 2265880), (740, 1772898), (772, 1699410), (888, 1477415), (965, 1359528), (1110, 1181932), (1158, 1132940), (1480, 886449), (1531, 856920), (1544, 849705), (1930, 679764), (2220, 590966), (2316, 566470), (2895, 453176), (3062, 428460), (3860, 339882), (4440, 295483), (4593, 285640), (4632, 283235), (5790, 226588), (6124, 214230), (7141, 183720), (7655, 171384), (7720, 169941), (9186, 142820), (11580, 113294), (12248, 107115), (14282, 91860), (15310, 85692), (18372, 71410), (21423, 61240), (22965, 57128), (23160, 56647), (28564, 45930), (30620, 42846), (35705, 36744)]