248902720

素因数分解:

$2^6\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{2281}}^1$

素因数の和:2340

約数の個数: 112

約数和(自身を含む): 667731456

約数和(自身を除く): 418828736

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 31, 32, 40, 44, 55, 62, 64, 80, 88, 110, 124, 155, 160, 176, 220, 248, 310, 320, 341, 352, 440, 496, 620, 682, 704, 880, 992, 1240, 1364, 1705, 1760, 1984, 2281, 2480, 2728, 3410, 3520, 4562, 4960, 5456, 6820, 9124, 9920, 10912, 11405, 13640, 18248, 21824, 22810, 25091, 27280, 36496, 45620, 50182, 54560, 70711, 72992, 91240, 100364, 109120, 125455, 141422, 145984, 182480, 200728, 250910, 282844, 353555, 364960, 401456, 501820, 565688, 707110, 729920, 777821, 802912, 1003640, 1131376, 1414220, 1555642, 1605824, 2007280, 2262752, 2828440, 3111284, 3889105, 4014560, 4525504, 5656880, 6222568, 7778210, 8029120, 11313760, 12445136, 15556420, 22627520, 24890272, 31112840, 49780544, 62225680, 124451360, 248902720]

約数ペア:

[(1, 248902720), (2, 124451360), (4, 62225680), (5, 49780544), (8, 31112840), (10, 24890272), (11, 22627520), (16, 15556420), (20, 12445136), (22, 11313760), (31, 8029120), (32, 7778210), (40, 6222568), (44, 5656880), (55, 4525504), (62, 4014560), (64, 3889105), (80, 3111284), (88, 2828440), (110, 2262752), (124, 2007280), (155, 1605824), (160, 1555642), (176, 1414220), (220, 1131376), (248, 1003640), (310, 802912), (320, 777821), (341, 729920), (352, 707110), (440, 565688), (496, 501820), (620, 401456), (682, 364960), (704, 353555), (880, 282844), (992, 250910), (1240, 200728), (1364, 182480), (1705, 145984), (1760, 141422), (1984, 125455), (2281, 109120), (2480, 100364), (2728, 91240), (3410, 72992), (3520, 70711), (4562, 54560), (4960, 50182), (5456, 45620), (6820, 36496), (9124, 27280), (9920, 25091), (10912, 22810), (11405, 21824), (13640, 18248)]