30038840

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{947}}^1$

素因数の和:1032

約数の個数: 64

約数和(自身を含む): 74057760

約数和(自身を除く): 44018920

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 61, 65, 104, 122, 130, 244, 260, 305, 488, 520, 610, 793, 947, 1220, 1586, 1894, 2440, 3172, 3788, 3965, 4735, 6344, 7576, 7930, 9470, 12311, 15860, 18940, 24622, 31720, 37880, 49244, 57767, 61555, 98488, 115534, 123110, 231068, 246220, 288835, 462136, 492440, 577670, 750971, 1155340, 1501942, 2310680, 3003884, 3754855, 6007768, 7509710, 15019420, 30038840]

約数ペア:

[(1, 30038840), (2, 15019420), (4, 7509710), (5, 6007768), (8, 3754855), (10, 3003884), (13, 2310680), (20, 1501942), (26, 1155340), (40, 750971), (52, 577670), (61, 492440), (65, 462136), (104, 288835), (122, 246220), (130, 231068), (244, 123110), (260, 115534), (305, 98488), (488, 61555), (520, 57767), (610, 49244), (793, 37880), (947, 31720), (1220, 24622), (1586, 18940), (1894, 15860), (2440, 12311), (3172, 9470), (3788, 7930), (3965, 7576), (4735, 6344)]