1381810920

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{15971}}^1$

素因数の和:16095

約数の個数: 128

約数和(自身を含む): 4783933440

約数和(自身を除く): 3402122520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 103, 105, 120, 140, 168, 206, 210, 280, 309, 412, 420, 515, 618, 721, 824, 840, 1030, 1236, 1442, 1545, 2060, 2163, 2472, 2884, 3090, 3605, 4120, 4326, 5768, 6180, 7210, 8652, 10815, 12360, 14420, 15971, 17304, 21630, 28840, 31942, 43260, 47913, 63884, 79855, 86520, 95826, 111797, 127768, 159710, 191652, 223594, 239565, 319420, 335391, 383304, 447188, 479130, 558985, 638840, 670782, 894376, 958260, 1117970, 1341564, 1645013, 1676955, 1916520, 2235940, 2683128, 3290026, 3353910, 4471880, 4935039, 6580052, 6707820, 8225065, 9870078, 11515091, 13160104, 13415640, 16450130, 19740156, 23030182, 24675195, 32900260, 34545273, 39480312, 46060364, 49350390, 57575455, 65800520, 69090546, 92120728, 98700780, 115150910, 138181092, 172726365, 197401560, 230301820, 276362184, 345452730, 460603640, 690905460, 1381810920]

約数ペア:

[(1, 1381810920), (2, 690905460), (3, 460603640), (4, 345452730), (5, 276362184), (6, 230301820), (7, 197401560), (8, 172726365), (10, 138181092), (12, 115150910), (14, 98700780), (15, 92120728), (20, 69090546), (21, 65800520), (24, 57575455), (28, 49350390), (30, 46060364), (35, 39480312), (40, 34545273), (42, 32900260), (56, 24675195), (60, 23030182), (70, 19740156), (84, 16450130), (103, 13415640), (105, 13160104), (120, 11515091), (140, 9870078), (168, 8225065), (206, 6707820), (210, 6580052), (280, 4935039), (309, 4471880), (412, 3353910), (420, 3290026), (515, 2683128), (618, 2235940), (721, 1916520), (824, 1676955), (840, 1645013), (1030, 1341564), (1236, 1117970), (1442, 958260), (1545, 894376), (2060, 670782), (2163, 638840), (2472, 558985), (2884, 479130), (3090, 447188), (3605, 383304), (4120, 335391), (4326, 319420), (5768, 239565), (6180, 223594), (7210, 191652), (8652, 159710), (10815, 127768), (12360, 111797), (14420, 95826), (15971, 86520), (17304, 79855), (21630, 63884), (28840, 47913), (31942, 43260)]