15982720

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{113}}^1$

素因数の和:162

約数の個数: 128

約数和(自身を含む): 43953840

約数和(自身を除く): 27971120

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 17, 20, 26, 32, 34, 40, 52, 64, 65, 68, 80, 85, 104, 113, 128, 130, 136, 160, 170, 208, 221, 226, 260, 272, 320, 340, 416, 442, 452, 520, 544, 565, 640, 680, 832, 884, 904, 1040, 1088, 1105, 1130, 1360, 1469, 1664, 1768, 1808, 1921, 2080, 2176, 2210, 2260, 2720, 2938, 3536, 3616, 3842, 4160, 4420, 4520, 5440, 5876, 7072, 7232, 7345, 7684, 8320, 8840, 9040, 9605, 10880, 11752, 14144, 14464, 14690, 15368, 17680, 18080, 19210, 23504, 24973, 28288, 29380, 30736, 35360, 36160, 38420, 47008, 49946, 58760, 61472, 70720, 72320, 76840, 94016, 99892, 117520, 122944, 124865, 141440, 153680, 188032, 199784, 235040, 245888, 249730, 307360, 399568, 470080, 499460, 614720, 799136, 940160, 998920, 1229440, 1598272, 1997840, 3196544, 3995680, 7991360, 15982720]

約数ペア:

[(1, 15982720), (2, 7991360), (4, 3995680), (5, 3196544), (8, 1997840), (10, 1598272), (13, 1229440), (16, 998920), (17, 940160), (20, 799136), (26, 614720), (32, 499460), (34, 470080), (40, 399568), (52, 307360), (64, 249730), (65, 245888), (68, 235040), (80, 199784), (85, 188032), (104, 153680), (113, 141440), (128, 124865), (130, 122944), (136, 117520), (160, 99892), (170, 94016), (208, 76840), (221, 72320), (226, 70720), (260, 61472), (272, 58760), (320, 49946), (340, 47008), (416, 38420), (442, 36160), (452, 35360), (520, 30736), (544, 29380), (565, 28288), (640, 24973), (680, 23504), (832, 19210), (884, 18080), (904, 17680), (1040, 15368), (1088, 14690), (1105, 14464), (1130, 14144), (1360, 11752), (1469, 10880), (1664, 9605), (1768, 9040), (1808, 8840), (1921, 8320), (2080, 7684), (2176, 7345), (2210, 7232), (2260, 7072), (2720, 5876), (2938, 5440), (3536, 4520), (3616, 4420), (3842, 4160)]