12990780

素因数分解:

$2^2\times 3^{10}\times 5^1\times {\mathrm{11}}^1$

素因数の和:50

約数の個数: 132

約数和(自身を含む): 44640792

約数和(自身を除く): 31650012

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 27, 30, 33, 36, 44, 45, 54, 55, 60, 66, 81, 90, 99, 108, 110, 132, 135, 162, 165, 180, 198, 220, 243, 270, 297, 324, 330, 396, 405, 486, 495, 540, 594, 660, 729, 810, 891, 972, 990, 1188, 1215, 1458, 1485, 1620, 1782, 1980, 2187, 2430, 2673, 2916, 2970, 3564, 3645, 4374, 4455, 4860, 5346, 5940, 6561, 7290, 8019, 8748, 8910, 10692, 10935, 13122, 13365, 14580, 16038, 17820, 19683, 21870, 24057, 26244, 26730, 32076, 32805, 39366, 40095, 43740, 48114, 53460, 59049, 65610, 72171, 78732, 80190, 96228, 98415, 118098, 120285, 131220, 144342, 160380, 196830, 216513, 236196, 240570, 288684, 295245, 360855, 393660, 433026, 481140, 590490, 649539, 721710, 866052, 1082565, 1180980, 1299078, 1443420, 2165130, 2598156, 3247695, 4330260, 6495390, 12990780]

約数ペア:

[(1, 12990780), (2, 6495390), (3, 4330260), (4, 3247695), (5, 2598156), (6, 2165130), (9, 1443420), (10, 1299078), (11, 1180980), (12, 1082565), (15, 866052), (18, 721710), (20, 649539), (22, 590490), (27, 481140), (30, 433026), (33, 393660), (36, 360855), (44, 295245), (45, 288684), (54, 240570), (55, 236196), (60, 216513), (66, 196830), (81, 160380), (90, 144342), (99, 131220), (108, 120285), (110, 118098), (132, 98415), (135, 96228), (162, 80190), (165, 78732), (180, 72171), (198, 65610), (220, 59049), (243, 53460), (270, 48114), (297, 43740), (324, 40095), (330, 39366), (396, 32805), (405, 32076), (486, 26730), (495, 26244), (540, 24057), (594, 21870), (660, 19683), (729, 17820), (810, 16038), (891, 14580), (972, 13365), (990, 13122), (1188, 10935), (1215, 10692), (1458, 8910), (1485, 8748), (1620, 8019), (1782, 7290), (1980, 6561), (2187, 5940), (2430, 5346), (2673, 4860), (2916, 4455), (2970, 4374), (3564, 3645)]