18324720

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{821}}^1$

素因数の和:871

約数の個数: 120

約数和(自身を含む): 63603072

約数和(自身を除く): 45278352

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 31, 36, 40, 45, 48, 60, 62, 72, 80, 90, 93, 120, 124, 144, 155, 180, 186, 240, 248, 279, 310, 360, 372, 465, 496, 558, 620, 720, 744, 821, 930, 1116, 1240, 1395, 1488, 1642, 1860, 2232, 2463, 2480, 2790, 3284, 3720, 4105, 4464, 4926, 5580, 6568, 7389, 7440, 8210, 9852, 11160, 12315, 13136, 14778, 16420, 19704, 22320, 24630, 25451, 29556, 32840, 36945, 39408, 49260, 50902, 59112, 65680, 73890, 76353, 98520, 101804, 118224, 127255, 147780, 152706, 197040, 203608, 229059, 254510, 295560, 305412, 381765, 407216, 458118, 509020, 591120, 610824, 763530, 916236, 1018040, 1145295, 1221648, 1527060, 1832472, 2036080, 2290590, 3054120, 3664944, 4581180, 6108240, 9162360, 18324720]

約数ペア:

[(1, 18324720), (2, 9162360), (3, 6108240), (4, 4581180), (5, 3664944), (6, 3054120), (8, 2290590), (9, 2036080), (10, 1832472), (12, 1527060), (15, 1221648), (16, 1145295), (18, 1018040), (20, 916236), (24, 763530), (30, 610824), (31, 591120), (36, 509020), (40, 458118), (45, 407216), (48, 381765), (60, 305412), (62, 295560), (72, 254510), (80, 229059), (90, 203608), (93, 197040), (120, 152706), (124, 147780), (144, 127255), (155, 118224), (180, 101804), (186, 98520), (240, 76353), (248, 73890), (279, 65680), (310, 59112), (360, 50902), (372, 49260), (465, 39408), (496, 36945), (558, 32840), (620, 29556), (720, 25451), (744, 24630), (821, 22320), (930, 19704), (1116, 16420), (1240, 14778), (1395, 13136), (1488, 12315), (1642, 11160), (1860, 9852), (2232, 8210), (2463, 7440), (2480, 7389), (2790, 6568), (3284, 5580), (3720, 4926), (4105, 4464)]