668438640

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{563}}^1$

素因数の和:696

約数の個数: 240

約数和(自身を含む): 2405658528

約数和(自身を除く): 1737219888

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 17, 18, 20, 24, 30, 34, 36, 40, 45, 48, 51, 60, 68, 72, 80, 85, 90, 97, 102, 120, 136, 144, 153, 170, 180, 194, 204, 240, 255, 272, 291, 306, 340, 360, 388, 408, 485, 510, 563, 582, 612, 680, 720, 765, 776, 816, 873, 970, 1020, 1126, 1164, 1224, 1360, 1455, 1530, 1552, 1649, 1689, 1746, 1940, 2040, 2252, 2328, 2448, 2815, 2910, 3060, 3298, 3378, 3492, 3880, 4080, 4365, 4504, 4656, 4947, 5067, 5630, 5820, 6120, 6596, 6756, 6984, 7760, 8245, 8445, 8730, 9008, 9571, 9894, 10134, 11260, 11640, 12240, 13192, 13512, 13968, 14841, 16490, 16890, 17460, 19142, 19788, 20268, 22520, 23280, 24735, 25335, 26384, 27024, 28713, 29682, 32980, 33780, 34920, 38284, 39576, 40536, 45040, 47855, 49470, 50670, 54611, 57426, 59364, 65960, 67560, 69840, 74205, 76568, 79152, 81072, 86139, 95710, 98940, 101340, 109222, 114852, 118728, 131920, 135120, 143565, 148410, 153136, 163833, 172278, 191420, 197880, 202680, 218444, 229704, 237456, 273055, 287130, 296820, 327666, 344556, 382840, 395760, 405360, 430695, 436888, 459408, 491499, 546110, 574260, 593640, 655332, 689112, 765680, 819165, 861390, 873776, 928387, 982998, 1092220, 1148520, 1187280, 1310664, 1378224, 1638330, 1722780, 1856774, 1965996, 2184440, 2297040, 2457495, 2621328, 2785161, 3276660, 3445560, 3713548, 3931992, 4368880, 4641935, 4914990, 5570322, 6553320, 6891120, 7427096, 7863984, 8355483, 9283870, 9829980, 11140644, 13106640, 13925805, 14854192, 16710966, 18567740, 19659960, 22281288, 27851610, 33421932, 37135480, 39319920, 41777415, 44562576, 55703220, 66843864, 74270960, 83554830, 111406440, 133687728, 167109660, 222812880, 334219320, 668438640]

約数ペア:

[(1, 668438640), (2, 334219320), (3, 222812880), (4, 167109660), (5, 133687728), (6, 111406440), (8, 83554830), (9, 74270960), (10, 66843864), (12, 55703220), (15, 44562576), (16, 41777415), (17, 39319920), (18, 37135480), (20, 33421932), (24, 27851610), (30, 22281288), (34, 19659960), (36, 18567740), (40, 16710966), (45, 14854192), (48, 13925805), (51, 13106640), (60, 11140644), (68, 9829980), (72, 9283870), (80, 8355483), (85, 7863984), (90, 7427096), (97, 6891120), (102, 6553320), (120, 5570322), (136, 4914990), (144, 4641935), (153, 4368880), (170, 3931992), (180, 3713548), (194, 3445560), (204, 3276660), (240, 2785161), (255, 2621328), (272, 2457495), (291, 2297040), (306, 2184440), (340, 1965996), (360, 1856774), (388, 1722780), (408, 1638330), (485, 1378224), (510, 1310664), (563, 1187280), (582, 1148520), (612, 1092220), (680, 982998), (720, 928387), (765, 873776), (776, 861390), (816, 819165), (873, 765680), (970, 689112), (1020, 655332), (1126, 593640), (1164, 574260), (1224, 546110), (1360, 491499), (1455, 459408), (1530, 436888), (1552, 430695), (1649, 405360), (1689, 395760), (1746, 382840), (1940, 344556), (2040, 327666), (2252, 296820), (2328, 287130), (2448, 273055), (2815, 237456), (2910, 229704), (3060, 218444), (3298, 202680), (3378, 197880), (3492, 191420), (3880, 172278), (4080, 163833), (4365, 153136), (4504, 148410), (4656, 143565), (4947, 135120), (5067, 131920), (5630, 118728), (5820, 114852), (6120, 109222), (6596, 101340), (6756, 98940), (6984, 95710), (7760, 86139), (8245, 81072), (8445, 79152), (8730, 76568), (9008, 74205), (9571, 69840), (9894, 67560), (10134, 65960), (11260, 59364), (11640, 57426), (12240, 54611), (13192, 50670), (13512, 49470), (13968, 47855), (14841, 45040), (16490, 40536), (16890, 39576), (17460, 38284), (19142, 34920), (19788, 33780), (20268, 32980), (22520, 29682), (23280, 28713), (24735, 27024), (25335, 26384)]