279736240

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{431}}^1$

素因数の和:531

約数の個数: 160

約数和(自身を含む): 797091840

約数和(自身を除く): 517355600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 35, 38, 40, 56, 61, 70, 76, 80, 95, 112, 122, 133, 140, 152, 190, 244, 266, 280, 304, 305, 380, 427, 431, 488, 532, 560, 610, 665, 760, 854, 862, 976, 1064, 1159, 1220, 1330, 1520, 1708, 1724, 2128, 2135, 2155, 2318, 2440, 2660, 3017, 3416, 3448, 4270, 4310, 4636, 4880, 5320, 5795, 6034, 6832, 6896, 8113, 8189, 8540, 8620, 9272, 10640, 11590, 12068, 15085, 16226, 16378, 17080, 17240, 18544, 23180, 24136, 26291, 30170, 32452, 32756, 34160, 34480, 40565, 40945, 46360, 48272, 52582, 57323, 60340, 64904, 65512, 81130, 81890, 92720, 105164, 114646, 120680, 129808, 131024, 131455, 162260, 163780, 184037, 210328, 229292, 241360, 262910, 286615, 324520, 327560, 368074, 420656, 458584, 499529, 525820, 573230, 649040, 655120, 736148, 917168, 920185, 999058, 1051640, 1146460, 1472296, 1840370, 1998116, 2103280, 2292920, 2497645, 2944592, 3496703, 3680740, 3996232, 4585840, 4995290, 6993406, 7361480, 7992464, 9990580, 13986812, 14722960, 17483515, 19981160, 27973624, 34967030, 39962320, 55947248, 69934060, 139868120, 279736240]

約数ペア:

[(1, 279736240), (2, 139868120), (4, 69934060), (5, 55947248), (7, 39962320), (8, 34967030), (10, 27973624), (14, 19981160), (16, 17483515), (19, 14722960), (20, 13986812), (28, 9990580), (35, 7992464), (38, 7361480), (40, 6993406), (56, 4995290), (61, 4585840), (70, 3996232), (76, 3680740), (80, 3496703), (95, 2944592), (112, 2497645), (122, 2292920), (133, 2103280), (140, 1998116), (152, 1840370), (190, 1472296), (244, 1146460), (266, 1051640), (280, 999058), (304, 920185), (305, 917168), (380, 736148), (427, 655120), (431, 649040), (488, 573230), (532, 525820), (560, 499529), (610, 458584), (665, 420656), (760, 368074), (854, 327560), (862, 324520), (976, 286615), (1064, 262910), (1159, 241360), (1220, 229292), (1330, 210328), (1520, 184037), (1708, 163780), (1724, 162260), (2128, 131455), (2135, 131024), (2155, 129808), (2318, 120680), (2440, 114646), (2660, 105164), (3017, 92720), (3416, 81890), (3448, 81130), (4270, 65512), (4310, 64904), (4636, 60340), (4880, 57323), (5320, 52582), (5795, 48272), (6034, 46360), (6832, 40945), (6896, 40565), (8113, 34480), (8189, 34160), (8540, 32756), (8620, 32452), (9272, 30170), (10640, 26291), (11590, 24136), (12068, 23180), (15085, 18544), (16226, 17240), (16378, 17080)]