40409880

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{659}}^1$

素因数の和:753

約数の個数: 128

約数和(自身を含む): 140659200

約数和(自身を除く): 100249320

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, 73, 84, 105, 120, 140, 146, 168, 210, 219, 280, 292, 365, 420, 438, 511, 584, 659, 730, 840, 876, 1022, 1095, 1318, 1460, 1533, 1752, 1977, 2044, 2190, 2555, 2636, 2920, 3066, 3295, 3954, 4088, 4380, 4613, 5110, 5272, 6132, 6590, 7665, 7908, 8760, 9226, 9885, 10220, 12264, 13180, 13839, 15330, 15816, 18452, 19770, 20440, 23065, 26360, 27678, 30660, 36904, 39540, 46130, 48107, 55356, 61320, 69195, 79080, 92260, 96214, 110712, 138390, 144321, 184520, 192428, 240535, 276780, 288642, 336749, 384856, 481070, 553560, 577284, 673498, 721605, 962140, 1010247, 1154568, 1346996, 1443210, 1683745, 1924280, 2020494, 2693992, 2886420, 3367490, 4040988, 5051235, 5772840, 6734980, 8081976, 10102470, 13469960, 20204940, 40409880]

約数ペア:

[(1, 40409880), (2, 20204940), (3, 13469960), (4, 10102470), (5, 8081976), (6, 6734980), (7, 5772840), (8, 5051235), (10, 4040988), (12, 3367490), (14, 2886420), (15, 2693992), (20, 2020494), (21, 1924280), (24, 1683745), (28, 1443210), (30, 1346996), (35, 1154568), (40, 1010247), (42, 962140), (56, 721605), (60, 673498), (70, 577284), (73, 553560), (84, 481070), (105, 384856), (120, 336749), (140, 288642), (146, 276780), (168, 240535), (210, 192428), (219, 184520), (280, 144321), (292, 138390), (365, 110712), (420, 96214), (438, 92260), (511, 79080), (584, 69195), (659, 61320), (730, 55356), (840, 48107), (876, 46130), (1022, 39540), (1095, 36904), (1318, 30660), (1460, 27678), (1533, 26360), (1752, 23065), (1977, 20440), (2044, 19770), (2190, 18452), (2555, 15816), (2636, 15330), (2920, 13839), (3066, 13180), (3295, 12264), (3954, 10220), (4088, 9885), (4380, 9226), (4613, 8760), (5110, 7908), (5272, 7665), (6132, 6590)]