15963640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1$

素因数の和:173

約数の個数: 128

約数和(自身を含む): 46033920

約数和(自身を除く): 30070280

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 70, 71, 73, 77, 88, 110, 140, 142, 146, 154, 220, 280, 284, 292, 308, 355, 365, 385, 440, 497, 511, 568, 584, 616, 710, 730, 770, 781, 803, 994, 1022, 1420, 1460, 1540, 1562, 1606, 1988, 2044, 2485, 2555, 2840, 2920, 3080, 3124, 3212, 3905, 3976, 4015, 4088, 4970, 5110, 5183, 5467, 5621, 6248, 6424, 7810, 8030, 9940, 10220, 10366, 10934, 11242, 15620, 16060, 19880, 20440, 20732, 21868, 22484, 25915, 27335, 28105, 31240, 32120, 36281, 41464, 43736, 44968, 51830, 54670, 56210, 57013, 72562, 103660, 109340, 112420, 114026, 145124, 181405, 207320, 218680, 224840, 228052, 285065, 290248, 362810, 399091, 456104, 570130, 725620, 798182, 1140260, 1451240, 1596364, 1995455, 2280520, 3192728, 3990910, 7981820, 15963640]

約数ペア:

[(1, 15963640), (2, 7981820), (4, 3990910), (5, 3192728), (7, 2280520), (8, 1995455), (10, 1596364), (11, 1451240), (14, 1140260), (20, 798182), (22, 725620), (28, 570130), (35, 456104), (40, 399091), (44, 362810), (55, 290248), (56, 285065), (70, 228052), (71, 224840), (73, 218680), (77, 207320), (88, 181405), (110, 145124), (140, 114026), (142, 112420), (146, 109340), (154, 103660), (220, 72562), (280, 57013), (284, 56210), (292, 54670), (308, 51830), (355, 44968), (365, 43736), (385, 41464), (440, 36281), (497, 32120), (511, 31240), (568, 28105), (584, 27335), (616, 25915), (710, 22484), (730, 21868), (770, 20732), (781, 20440), (803, 19880), (994, 16060), (1022, 15620), (1420, 11242), (1460, 10934), (1540, 10366), (1562, 10220), (1606, 9940), (1988, 8030), (2044, 7810), (2485, 6424), (2555, 6248), (2840, 5621), (2920, 5467), (3080, 5183), (3124, 5110), (3212, 4970), (3905, 4088), (3976, 4015)]