278675280

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1567}}^1$

素因数の和:1618

約数の個数: 240

約数和(自身を含む): 1061598720

約数和(自身を除く): 782923440

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 19, 20, 24, 26, 30, 36, 38, 39, 40, 45, 48, 52, 57, 60, 65, 72, 76, 78, 80, 90, 95, 104, 114, 117, 120, 130, 144, 152, 156, 171, 180, 190, 195, 208, 228, 234, 240, 247, 260, 285, 304, 312, 342, 360, 380, 390, 456, 468, 494, 520, 570, 585, 624, 684, 720, 741, 760, 780, 855, 912, 936, 988, 1040, 1140, 1170, 1235, 1368, 1482, 1520, 1560, 1567, 1710, 1872, 1976, 2223, 2280, 2340, 2470, 2736, 2964, 3120, 3134, 3420, 3705, 3952, 4446, 4560, 4680, 4701, 4940, 5928, 6268, 6840, 7410, 7835, 8892, 9360, 9402, 9880, 11115, 11856, 12536, 13680, 14103, 14820, 15670, 17784, 18804, 19760, 20371, 22230, 23505, 25072, 28206, 29640, 29773, 31340, 35568, 37608, 40742, 44460, 47010, 56412, 59280, 59546, 61113, 62680, 70515, 75216, 81484, 88920, 89319, 94020, 101855, 112824, 119092, 122226, 125360, 141030, 148865, 162968, 177840, 178638, 183339, 188040, 203710, 225648, 238184, 244452, 267957, 282060, 297730, 305565, 325936, 357276, 366678, 376080, 387049, 407420, 446595, 476368, 488904, 535914, 564120, 595460, 611130, 714552, 733356, 774098, 814840, 893190, 916695, 977808, 1071828, 1128240, 1161147, 1190920, 1222260, 1339785, 1429104, 1466712, 1548196, 1629680, 1786380, 1833390, 1935245, 2143656, 2322294, 2381840, 2444520, 2679570, 2933424, 3096392, 3483441, 3572760, 3666780, 3870490, 4287312, 4644588, 4889040, 5359140, 5805735, 6192784, 6966882, 7145520, 7333560, 7740980, 9289176, 10718280, 11611470, 13933764, 14667120, 15481960, 17417205, 18578352, 21436560, 23222940, 27867528, 30963920, 34834410, 46445880, 55735056, 69668820, 92891760, 139337640, 278675280]

約数ペア:

[(1, 278675280), (2, 139337640), (3, 92891760), (4, 69668820), (5, 55735056), (6, 46445880), (8, 34834410), (9, 30963920), (10, 27867528), (12, 23222940), (13, 21436560), (15, 18578352), (16, 17417205), (18, 15481960), (19, 14667120), (20, 13933764), (24, 11611470), (26, 10718280), (30, 9289176), (36, 7740980), (38, 7333560), (39, 7145520), (40, 6966882), (45, 6192784), (48, 5805735), (52, 5359140), (57, 4889040), (60, 4644588), (65, 4287312), (72, 3870490), (76, 3666780), (78, 3572760), (80, 3483441), (90, 3096392), (95, 2933424), (104, 2679570), (114, 2444520), (117, 2381840), (120, 2322294), (130, 2143656), (144, 1935245), (152, 1833390), (156, 1786380), (171, 1629680), (180, 1548196), (190, 1466712), (195, 1429104), (208, 1339785), (228, 1222260), (234, 1190920), (240, 1161147), (247, 1128240), (260, 1071828), (285, 977808), (304, 916695), (312, 893190), (342, 814840), (360, 774098), (380, 733356), (390, 714552), (456, 611130), (468, 595460), (494, 564120), (520, 535914), (570, 488904), (585, 476368), (624, 446595), (684, 407420), (720, 387049), (741, 376080), (760, 366678), (780, 357276), (855, 325936), (912, 305565), (936, 297730), (988, 282060), (1040, 267957), (1140, 244452), (1170, 238184), (1235, 225648), (1368, 203710), (1482, 188040), (1520, 183339), (1560, 178638), (1567, 177840), (1710, 162968), (1872, 148865), (1976, 141030), (2223, 125360), (2280, 122226), (2340, 119092), (2470, 112824), (2736, 101855), (2964, 94020), (3120, 89319), (3134, 88920), (3420, 81484), (3705, 75216), (3952, 70515), (4446, 62680), (4560, 61113), (4680, 59546), (4701, 59280), (4940, 56412), (5928, 47010), (6268, 44460), (6840, 40742), (7410, 37608), (7835, 35568), (8892, 31340), (9360, 29773), (9402, 29640), (9880, 28206), (11115, 25072), (11856, 23505), (12536, 22230), (13680, 20371), (14103, 19760), (14820, 18804), (15670, 17784)]