218148240

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{269}}^1$

素因数の和:425

約数の個数: 160

約数和(自身を含む): 707097600

約数和(自身を除く): 488949360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 40, 48, 60, 62, 80, 93, 109, 120, 124, 155, 186, 218, 240, 248, 269, 310, 327, 372, 436, 465, 496, 538, 545, 620, 654, 744, 807, 872, 930, 1076, 1090, 1240, 1308, 1345, 1488, 1614, 1635, 1744, 1860, 2152, 2180, 2480, 2616, 2690, 3228, 3270, 3379, 3720, 4035, 4304, 4360, 5232, 5380, 6456, 6540, 6758, 7440, 8070, 8339, 8720, 10137, 10760, 12912, 13080, 13516, 16140, 16678, 16895, 20274, 21520, 25017, 26160, 27032, 29321, 32280, 33356, 33790, 40548, 41695, 50034, 50685, 54064, 58642, 64560, 66712, 67580, 81096, 83390, 87963, 100068, 101370, 117284, 125085, 133424, 135160, 146605, 162192, 166780, 175926, 200136, 202740, 234568, 250170, 270320, 293210, 333560, 351852, 400272, 405480, 439815, 469136, 500340, 586420, 667120, 703704, 810960, 879630, 908951, 1000680, 1172840, 1407408, 1759260, 1817902, 2001360, 2345680, 2726853, 3518520, 3635804, 4544755, 5453706, 7037040, 7271608, 9089510, 10907412, 13634265, 14543216, 18179020, 21814824, 27268530, 36358040, 43629648, 54537060, 72716080, 109074120, 218148240]

約数ペア:

[(1, 218148240), (2, 109074120), (3, 72716080), (4, 54537060), (5, 43629648), (6, 36358040), (8, 27268530), (10, 21814824), (12, 18179020), (15, 14543216), (16, 13634265), (20, 10907412), (24, 9089510), (30, 7271608), (31, 7037040), (40, 5453706), (48, 4544755), (60, 3635804), (62, 3518520), (80, 2726853), (93, 2345680), (109, 2001360), (120, 1817902), (124, 1759260), (155, 1407408), (186, 1172840), (218, 1000680), (240, 908951), (248, 879630), (269, 810960), (310, 703704), (327, 667120), (372, 586420), (436, 500340), (465, 469136), (496, 439815), (538, 405480), (545, 400272), (620, 351852), (654, 333560), (744, 293210), (807, 270320), (872, 250170), (930, 234568), (1076, 202740), (1090, 200136), (1240, 175926), (1308, 166780), (1345, 162192), (1488, 146605), (1614, 135160), (1635, 133424), (1744, 125085), (1860, 117284), (2152, 101370), (2180, 100068), (2480, 87963), (2616, 83390), (2690, 81096), (3228, 67580), (3270, 66712), (3379, 64560), (3720, 58642), (4035, 54064), (4304, 50685), (4360, 50034), (5232, 41695), (5380, 40548), (6456, 33790), (6540, 33356), (6758, 32280), (7440, 29321), (8070, 27032), (8339, 26160), (8720, 25017), (10137, 21520), (10760, 20274), (12912, 16895), (13080, 16678), (13516, 16140)]