16987631920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{181}}^1\times {\mathrm{167597}}^1$

素因数の和:167798

約数の個数: 80

約数和(自身を含む): 45388219968

約数和(自身を除く): 28400588048

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 181, 280, 362, 560, 724, 905, 1267, 1448, 1810, 2534, 2896, 3620, 5068, 6335, 7240, 10136, 12670, 14480, 20272, 25340, 50680, 101360, 167597, 335194, 670388, 837985, 1173179, 1340776, 1675970, 2346358, 2681552, 3351940, 4692716, 5865895, 6703880, 9385432, 11731790, 13407760, 18770864, 23463580, 30335057, 46927160, 60670114, 93854320, 121340228, 151675285, 212345399, 242680456, 303350570, 424690798, 485360912, 606701140, 849381596, 1061726995, 1213402280, 1698763192, 2123453990, 2426804560, 3397526384, 4246907980, 8493815960, 16987631920]

約数ペア:

[(1, 16987631920), (2, 8493815960), (4, 4246907980), (5, 3397526384), (7, 2426804560), (8, 2123453990), (10, 1698763192), (14, 1213402280), (16, 1061726995), (20, 849381596), (28, 606701140), (35, 485360912), (40, 424690798), (56, 303350570), (70, 242680456), (80, 212345399), (112, 151675285), (140, 121340228), (181, 93854320), (280, 60670114), (362, 46927160), (560, 30335057), (724, 23463580), (905, 18770864), (1267, 13407760), (1448, 11731790), (1810, 9385432), (2534, 6703880), (2896, 5865895), (3620, 4692716), (5068, 3351940), (6335, 2681552), (7240, 2346358), (10136, 1675970), (12670, 1340776), (14480, 1173179), (20272, 837985), (25340, 670388), (50680, 335194), (101360, 167597)]