221760360

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{31}}^2\times {\mathrm{641}}^1$

素因数の和:720

約数の個数: 144

約数和(自身を含む): 745882020

約数和(自身を除く): 524121660

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, 641, 744, 930, 961, 1116, 1240, 1282, 1395, 1860, 1922, 1923, 2232, 2564, 2790, 2883, 3205, 3720, 3844, 3846, 4805, 5128, 5580, 5766, 5769, 6410, 7688, 7692, 8649, 9610, 9615, 11160, 11532, 11538, 12820, 14415, 15384, 17298, 19220, 19230, 19871, 23064, 23076, 25640, 28830, 28845, 34596, 38440, 38460, 39742, 43245, 46152, 57660, 57690, 59613, 69192, 76920, 79484, 86490, 99355, 115320, 115380, 119226, 158968, 172980, 178839, 198710, 230760, 238452, 298065, 345960, 357678, 397420, 476904, 596130, 616001, 715356, 794840, 894195, 1192260, 1232002, 1430712, 1788390, 1848003, 2384520, 2464004, 3080005, 3576780, 3696006, 4928008, 5544009, 6160010, 7153560, 7392012, 9240015, 11088018, 12320020, 14784024, 18480030, 22176036, 24640040, 27720045, 36960060, 44352072, 55440090, 73920120, 110880180, 221760360]

約数ペア:

[(1, 221760360), (2, 110880180), (3, 73920120), (4, 55440090), (5, 44352072), (6, 36960060), (8, 27720045), (9, 24640040), (10, 22176036), (12, 18480030), (15, 14784024), (18, 12320020), (20, 11088018), (24, 9240015), (30, 7392012), (31, 7153560), (36, 6160010), (40, 5544009), (45, 4928008), (60, 3696006), (62, 3576780), (72, 3080005), (90, 2464004), (93, 2384520), (120, 1848003), (124, 1788390), (155, 1430712), (180, 1232002), (186, 1192260), (248, 894195), (279, 794840), (310, 715356), (360, 616001), (372, 596130), (465, 476904), (558, 397420), (620, 357678), (641, 345960), (744, 298065), (930, 238452), (961, 230760), (1116, 198710), (1240, 178839), (1282, 172980), (1395, 158968), (1860, 119226), (1922, 115380), (1923, 115320), (2232, 99355), (2564, 86490), (2790, 79484), (2883, 76920), (3205, 69192), (3720, 59613), (3844, 57690), (3846, 57660), (4805, 46152), (5128, 43245), (5580, 39742), (5766, 38460), (5769, 38440), (6410, 34596), (7688, 28845), (7692, 28830), (8649, 25640), (9610, 23076), (9615, 23064), (11160, 19871), (11532, 19230), (11538, 19220), (12820, 17298), (14415, 15384)]