620366864

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{149}}^1\times {\mathrm{541}}^1$

素因数の和:748

約数の個数: 80

約数和(自身を含む): 1340799600

約数和(自身を除く): 720432736

約数列:

[1, 2, 4, 8, 13, 16, 26, 37, 52, 74, 104, 148, 149, 208, 296, 298, 481, 541, 592, 596, 962, 1082, 1192, 1924, 1937, 2164, 2384, 3848, 3874, 4328, 5513, 7033, 7696, 7748, 8656, 11026, 14066, 15496, 20017, 22052, 28132, 30992, 40034, 44104, 56264, 71669, 80068, 80609, 88208, 112528, 143338, 160136, 161218, 260221, 286676, 320272, 322436, 520442, 573352, 644872, 1040884, 1047917, 1146704, 1289744, 2081768, 2095834, 2982533, 4163536, 4191668, 5965066, 8383336, 11930132, 16766672, 23860264, 38772929, 47720528, 77545858, 155091716, 310183432, 620366864]

約数ペア:

[(1, 620366864), (2, 310183432), (4, 155091716), (8, 77545858), (13, 47720528), (16, 38772929), (26, 23860264), (37, 16766672), (52, 11930132), (74, 8383336), (104, 5965066), (148, 4191668), (149, 4163536), (208, 2982533), (296, 2095834), (298, 2081768), (481, 1289744), (541, 1146704), (592, 1047917), (596, 1040884), (962, 644872), (1082, 573352), (1192, 520442), (1924, 322436), (1937, 320272), (2164, 286676), (2384, 260221), (3848, 161218), (3874, 160136), (4328, 143338), (5513, 112528), (7033, 88208), (7696, 80609), (7748, 80068), (8656, 71669), (11026, 56264), (14066, 44104), (15496, 40034), (20017, 30992), (22052, 28132)]