28407004920

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{239843}}^1$

素因数の和:239914

約数の個数: 192

約数和(自身を含む): 107757112320

約数和(自身を除く): 79350107400

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 47, 56, 60, 63, 70, 72, 84, 90, 94, 105, 120, 126, 140, 141, 168, 180, 188, 210, 235, 252, 280, 282, 315, 329, 360, 376, 420, 423, 470, 504, 564, 630, 658, 705, 840, 846, 940, 987, 1128, 1260, 1316, 1410, 1645, 1692, 1880, 1974, 2115, 2520, 2632, 2820, 2961, 3290, 3384, 3948, 4230, 4935, 5640, 5922, 6580, 7896, 8460, 9870, 11844, 13160, 14805, 16920, 19740, 23688, 29610, 39480, 59220, 118440, 239843, 479686, 719529, 959372, 1199215, 1439058, 1678901, 1918744, 2158587, 2398430, 2878116, 3357802, 3597645, 4317174, 4796860, 5036703, 5756232, 6715604, 7195290, 8394505, 8634348, 9593720, 10073406, 10792935, 11272621, 13431208, 14390580, 15110109, 16789010, 17268696, 20146812, 21585870, 22545242, 25183515, 28781160, 30220218, 33578020, 33817863, 40293624, 43171740, 45090484, 50367030, 56363105, 60440436, 67156040, 67635726, 75550545, 78908347, 86343480, 90180968, 100734060, 101453589, 112726210, 120880872, 135271452, 151101090, 157816694, 169089315, 201468120, 202907178, 225452420, 236725041, 270542904, 302202180, 315633388, 338178630, 394541735, 405814356, 450904840, 473450082, 507267945, 604404360, 631266776, 676357260, 710175123, 789083470, 811628712, 946900164, 1014535890, 1183625205, 1352714520, 1420350246, 1578166940, 1893800328, 2029071780, 2367250410, 2840700492, 3156333880, 3550875615, 4058143560, 4734500820, 5681400984, 7101751230, 9469001640, 14203502460, 28407004920]

約数ペア:

[(1, 28407004920), (2, 14203502460), (3, 9469001640), (4, 7101751230), (5, 5681400984), (6, 4734500820), (7, 4058143560), (8, 3550875615), (9, 3156333880), (10, 2840700492), (12, 2367250410), (14, 2029071780), (15, 1893800328), (18, 1578166940), (20, 1420350246), (21, 1352714520), (24, 1183625205), (28, 1014535890), (30, 946900164), (35, 811628712), (36, 789083470), (40, 710175123), (42, 676357260), (45, 631266776), (47, 604404360), (56, 507267945), (60, 473450082), (63, 450904840), (70, 405814356), (72, 394541735), (84, 338178630), (90, 315633388), (94, 302202180), (105, 270542904), (120, 236725041), (126, 225452420), (140, 202907178), (141, 201468120), (168, 169089315), (180, 157816694), (188, 151101090), (210, 135271452), (235, 120880872), (252, 112726210), (280, 101453589), (282, 100734060), (315, 90180968), (329, 86343480), (360, 78908347), (376, 75550545), (420, 67635726), (423, 67156040), (470, 60440436), (504, 56363105), (564, 50367030), (630, 45090484), (658, 43171740), (705, 40293624), (840, 33817863), (846, 33578020), (940, 30220218), (987, 28781160), (1128, 25183515), (1260, 22545242), (1316, 21585870), (1410, 20146812), (1645, 17268696), (1692, 16789010), (1880, 15110109), (1974, 14390580), (2115, 13431208), (2520, 11272621), (2632, 10792935), (2820, 10073406), (2961, 9593720), (3290, 8634348), (3384, 8394505), (3948, 7195290), (4230, 6715604), (4935, 5756232), (5640, 5036703), (5922, 4796860), (6580, 4317174), (7896, 3597645), (8460, 3357802), (9870, 2878116), (11844, 2398430), (13160, 2158587), (14805, 1918744), (16920, 1678901), (19740, 1439058), (23688, 1199215), (29610, 959372), (39480, 719529), (59220, 479686), (118440, 239843)]