28324960

素因数分解:

$2^5\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{179}}^1$

素因数の和:260

約数の個数: 96

約数和(自身を含む): 71850240

約数和(自身を除く): 43525280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 43, 46, 80, 86, 92, 115, 160, 172, 179, 184, 215, 230, 344, 358, 368, 430, 460, 688, 716, 736, 860, 895, 920, 989, 1376, 1432, 1720, 1790, 1840, 1978, 2864, 3440, 3580, 3680, 3956, 4117, 4945, 5728, 6880, 7160, 7697, 7912, 8234, 9890, 14320, 15394, 15824, 16468, 19780, 20585, 28640, 30788, 31648, 32936, 38485, 39560, 41170, 61576, 65872, 76970, 79120, 82340, 123152, 131744, 153940, 158240, 164680, 177031, 246304, 307880, 329360, 354062, 615760, 658720, 708124, 885155, 1231520, 1416248, 1770310, 2832496, 3540620, 5664992, 7081240, 14162480, 28324960]

約数ペア:

[(1, 28324960), (2, 14162480), (4, 7081240), (5, 5664992), (8, 3540620), (10, 2832496), (16, 1770310), (20, 1416248), (23, 1231520), (32, 885155), (40, 708124), (43, 658720), (46, 615760), (80, 354062), (86, 329360), (92, 307880), (115, 246304), (160, 177031), (172, 164680), (179, 158240), (184, 153940), (215, 131744), (230, 123152), (344, 82340), (358, 79120), (368, 76970), (430, 65872), (460, 61576), (688, 41170), (716, 39560), (736, 38485), (860, 32936), (895, 31648), (920, 30788), (989, 28640), (1376, 20585), (1432, 19780), (1720, 16468), (1790, 15824), (1840, 15394), (1978, 14320), (2864, 9890), (3440, 8234), (3580, 7912), (3680, 7697), (3956, 7160), (4117, 6880), (4945, 5728)]