221961240

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{19889}}^1$

素因数の和:19937

約数の個数: 96

約数和(自身を含む): 744681600

約数和(自身を除く): 522720360

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 31, 36, 40, 45, 60, 62, 72, 90, 93, 120, 124, 155, 180, 186, 248, 279, 310, 360, 372, 465, 558, 620, 744, 930, 1116, 1240, 1395, 1860, 2232, 2790, 3720, 5580, 11160, 19889, 39778, 59667, 79556, 99445, 119334, 159112, 179001, 198890, 238668, 298335, 358002, 397780, 477336, 596670, 616559, 716004, 795560, 895005, 1193340, 1233118, 1432008, 1790010, 1849677, 2386680, 2466236, 3082795, 3580020, 3699354, 4932472, 5549031, 6165590, 7160040, 7398708, 9248385, 11098062, 12331180, 14797416, 18496770, 22196124, 24662360, 27745155, 36993540, 44392248, 55490310, 73987080, 110980620, 221961240]

約数ペア:

[(1, 221961240), (2, 110980620), (3, 73987080), (4, 55490310), (5, 44392248), (6, 36993540), (8, 27745155), (9, 24662360), (10, 22196124), (12, 18496770), (15, 14797416), (18, 12331180), (20, 11098062), (24, 9248385), (30, 7398708), (31, 7160040), (36, 6165590), (40, 5549031), (45, 4932472), (60, 3699354), (62, 3580020), (72, 3082795), (90, 2466236), (93, 2386680), (120, 1849677), (124, 1790010), (155, 1432008), (180, 1233118), (186, 1193340), (248, 895005), (279, 795560), (310, 716004), (360, 616559), (372, 596670), (465, 477336), (558, 397780), (620, 358002), (744, 298335), (930, 238668), (1116, 198890), (1240, 179001), (1395, 159112), (1860, 119334), (2232, 99445), (2790, 79556), (3720, 59667), (5580, 39778), (11160, 19889)]