30800120

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{971}}^1$

素因数の和:1056

約数の個数: 64

約数和(自身を含む): 75932640

約数和(自身を除く): 45132520

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, 971, 1220, 1586, 1942, 2440, 3172, 3884, 3965, 4855, 6344, 7768, 7930, 9710, 12623, 15860, 19420, 25246, 31720, 38840, 50492, 59231, 63115, 100984, 118462, 126230, 236924, 252460, 296155, 473848, 504920, 592310, 770003, 1184620, 1540006, 2369240, 3080012, 3850015, 6160024, 7700030, 15400060, 30800120]

約数ペア:

[(1, 30800120), (2, 15400060), (4, 7700030), (5, 6160024), (8, 3850015), (10, 3080012), (13, 2369240), (20, 1540006), (26, 1184620), (40, 770003), (52, 592310), (61, 504920), (65, 473848), (104, 296155), (122, 252460), (130, 236924), (244, 126230), (260, 118462), (305, 100984), (488, 63115), (520, 59231), (610, 50492), (793, 38840), (971, 31720), (1220, 25246), (1586, 19420), (1942, 15860), (2440, 12623), (3172, 9710), (3884, 7930), (3965, 7768), (4855, 6344)]