15663684920

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{493811}}^1$

素因数の和:493896

約数の個数: 64

約数和(自身を含む): 38576593440

約数和(自身を除く): 22912908520

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, 1220, 1586, 2440, 3172, 3965, 6344, 7930, 15860, 31720, 493811, 987622, 1975244, 2469055, 3950488, 4938110, 6419543, 9876220, 12839086, 19752440, 25678172, 30122471, 32097715, 51356344, 60244942, 64195430, 120489884, 128390860, 150612355, 240979768, 256781720, 301224710, 391592123, 602449420, 783184246, 1204898840, 1566368492, 1957960615, 3132736984, 3915921230, 7831842460, 15663684920]

約数ペア:

[(1, 15663684920), (2, 7831842460), (4, 3915921230), (5, 3132736984), (8, 1957960615), (10, 1566368492), (13, 1204898840), (20, 783184246), (26, 602449420), (40, 391592123), (52, 301224710), (61, 256781720), (65, 240979768), (104, 150612355), (122, 128390860), (130, 120489884), (244, 64195430), (260, 60244942), (305, 51356344), (488, 32097715), (520, 30122471), (610, 25678172), (793, 19752440), (1220, 12839086), (1586, 9876220), (2440, 6419543), (3172, 4938110), (3965, 3950488), (6344, 2469055), (7930, 1975244), (15860, 987622), (31720, 493811)]