278920560

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1\times {\mathrm{313}}^1$

素因数の和:455

約数の個数: 160

約数和(自身を含む): 897085440

約数和(自身を除く): 618164880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 47, 48, 60, 79, 80, 94, 120, 141, 158, 188, 235, 237, 240, 282, 313, 316, 376, 395, 470, 474, 564, 626, 632, 705, 752, 790, 939, 940, 948, 1128, 1185, 1252, 1264, 1410, 1565, 1580, 1878, 1880, 1896, 2256, 2370, 2504, 2820, 3130, 3160, 3713, 3756, 3760, 3792, 4695, 4740, 5008, 5640, 6260, 6320, 7426, 7512, 9390, 9480, 11139, 11280, 12520, 14711, 14852, 15024, 18565, 18780, 18960, 22278, 24727, 25040, 29422, 29704, 37130, 37560, 44133, 44556, 49454, 55695, 58844, 59408, 73555, 74181, 74260, 75120, 88266, 89112, 98908, 111390, 117688, 123635, 147110, 148362, 148520, 176532, 178224, 197816, 220665, 222780, 235376, 247270, 294220, 296724, 297040, 353064, 370905, 395632, 441330, 445560, 494540, 588440, 593448, 706128, 741810, 882660, 891120, 989080, 1162169, 1176880, 1186896, 1483620, 1765320, 1978160, 2324338, 2967240, 3486507, 3530640, 4648676, 5810845, 5934480, 6973014, 9297352, 11621690, 13946028, 17432535, 18594704, 23243380, 27892056, 34865070, 46486760, 55784112, 69730140, 92973520, 139460280, 278920560]

約数ペア:

[(1, 278920560), (2, 139460280), (3, 92973520), (4, 69730140), (5, 55784112), (6, 46486760), (8, 34865070), (10, 27892056), (12, 23243380), (15, 18594704), (16, 17432535), (20, 13946028), (24, 11621690), (30, 9297352), (40, 6973014), (47, 5934480), (48, 5810845), (60, 4648676), (79, 3530640), (80, 3486507), (94, 2967240), (120, 2324338), (141, 1978160), (158, 1765320), (188, 1483620), (235, 1186896), (237, 1176880), (240, 1162169), (282, 989080), (313, 891120), (316, 882660), (376, 741810), (395, 706128), (470, 593448), (474, 588440), (564, 494540), (626, 445560), (632, 441330), (705, 395632), (752, 370905), (790, 353064), (939, 297040), (940, 296724), (948, 294220), (1128, 247270), (1185, 235376), (1252, 222780), (1264, 220665), (1410, 197816), (1565, 178224), (1580, 176532), (1878, 148520), (1880, 148362), (1896, 147110), (2256, 123635), (2370, 117688), (2504, 111390), (2820, 98908), (3130, 89112), (3160, 88266), (3713, 75120), (3756, 74260), (3760, 74181), (3792, 73555), (4695, 59408), (4740, 58844), (5008, 55695), (5640, 49454), (6260, 44556), (6320, 44133), (7426, 37560), (7512, 37130), (9390, 29704), (9480, 29422), (11139, 25040), (11280, 24727), (12520, 22278), (14711, 18960), (14852, 18780), (15024, 18565)]