278189040

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{269}}^1$

素因数の和:455

約数の個数: 160

約数和(自身を含む): 899942400

約数和(自身を除く): 621753360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 40, 48, 60, 62, 80, 93, 120, 124, 139, 155, 186, 240, 248, 269, 278, 310, 372, 417, 465, 496, 538, 556, 620, 695, 744, 807, 834, 930, 1076, 1112, 1240, 1345, 1390, 1488, 1614, 1668, 1860, 2085, 2152, 2224, 2480, 2690, 2780, 3228, 3336, 3720, 4035, 4170, 4304, 4309, 5380, 5560, 6456, 6672, 7440, 8070, 8339, 8340, 8618, 10760, 11120, 12912, 12927, 16140, 16678, 16680, 17236, 21520, 21545, 25017, 25854, 32280, 33356, 33360, 34472, 37391, 41695, 43090, 50034, 51708, 64560, 64635, 66712, 68944, 74782, 83390, 86180, 100068, 103416, 112173, 125085, 129270, 133424, 149564, 166780, 172360, 186955, 200136, 206832, 224346, 250170, 258540, 299128, 333560, 344720, 373910, 400272, 448692, 500340, 517080, 560865, 598256, 667120, 747820, 897384, 1000680, 1034160, 1121730, 1159121, 1495640, 1794768, 2001360, 2243460, 2318242, 2991280, 3477363, 4486920, 4636484, 5795605, 6954726, 8973840, 9272968, 11591210, 13909452, 17386815, 18545936, 23182420, 27818904, 34773630, 46364840, 55637808, 69547260, 92729680, 139094520, 278189040]

約数ペア:

[(1, 278189040), (2, 139094520), (3, 92729680), (4, 69547260), (5, 55637808), (6, 46364840), (8, 34773630), (10, 27818904), (12, 23182420), (15, 18545936), (16, 17386815), (20, 13909452), (24, 11591210), (30, 9272968), (31, 8973840), (40, 6954726), (48, 5795605), (60, 4636484), (62, 4486920), (80, 3477363), (93, 2991280), (120, 2318242), (124, 2243460), (139, 2001360), (155, 1794768), (186, 1495640), (240, 1159121), (248, 1121730), (269, 1034160), (278, 1000680), (310, 897384), (372, 747820), (417, 667120), (465, 598256), (496, 560865), (538, 517080), (556, 500340), (620, 448692), (695, 400272), (744, 373910), (807, 344720), (834, 333560), (930, 299128), (1076, 258540), (1112, 250170), (1240, 224346), (1345, 206832), (1390, 200136), (1488, 186955), (1614, 172360), (1668, 166780), (1860, 149564), (2085, 133424), (2152, 129270), (2224, 125085), (2480, 112173), (2690, 103416), (2780, 100068), (3228, 86180), (3336, 83390), (3720, 74782), (4035, 68944), (4170, 66712), (4304, 64635), (4309, 64560), (5380, 51708), (5560, 50034), (6456, 43090), (6672, 41695), (7440, 37391), (8070, 34472), (8339, 33360), (8340, 33356), (8618, 32280), (10760, 25854), (11120, 25017), (12912, 21545), (12927, 21520), (16140, 17236), (16678, 16680)]