661132080

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{2791}}^1$

素因数の和:2864

約数の個数: 240

約数和(自身を含む): 2592405504

約数和(自身を除く): 1931273424

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 47, 48, 56, 60, 63, 70, 72, 80, 84, 90, 94, 105, 112, 120, 126, 140, 141, 144, 168, 180, 188, 210, 235, 240, 252, 280, 282, 315, 329, 336, 360, 376, 420, 423, 470, 504, 560, 564, 630, 658, 705, 720, 752, 840, 846, 940, 987, 1008, 1128, 1260, 1316, 1410, 1645, 1680, 1692, 1880, 1974, 2115, 2256, 2520, 2632, 2791, 2820, 2961, 3290, 3384, 3760, 3948, 4230, 4935, 5040, 5264, 5582, 5640, 5922, 6580, 6768, 7896, 8373, 8460, 9870, 11164, 11280, 11844, 13160, 13955, 14805, 15792, 16746, 16920, 19537, 19740, 22328, 23688, 25119, 26320, 27910, 29610, 33492, 33840, 39074, 39480, 41865, 44656, 47376, 50238, 55820, 58611, 59220, 66984, 78148, 78960, 83730, 97685, 100476, 111640, 117222, 118440, 125595, 131177, 133968, 156296, 167460, 175833, 195370, 200952, 223280, 234444, 236880, 251190, 262354, 293055, 312592, 334920, 351666, 390740, 393531, 401904, 468888, 502380, 524708, 586110, 655885, 669840, 703332, 781480, 787062, 879165, 918239, 937776, 1004760, 1049416, 1172220, 1180593, 1311770, 1406664, 1562960, 1574124, 1758330, 1836478, 1967655, 2009520, 2098832, 2344440, 2361186, 2623540, 2754717, 2813328, 3148248, 3516660, 3672956, 3935310, 4591195, 4688880, 4722372, 5247080, 5509434, 5902965, 6296496, 7033320, 7345912, 7870620, 8264151, 9182390, 9444744, 10494160, 11018868, 11805930, 13773585, 14066640, 14691824, 15741240, 16528302, 18364780, 18889488, 22037736, 23611860, 27547170, 31482480, 33056604, 36729560, 41320755, 44075472, 47223720, 55094340, 66113208, 73459120, 82641510, 94447440, 110188680, 132226416, 165283020, 220377360, 330566040, 661132080]

約数ペア:

[(1, 661132080), (2, 330566040), (3, 220377360), (4, 165283020), (5, 132226416), (6, 110188680), (7, 94447440), (8, 82641510), (9, 73459120), (10, 66113208), (12, 55094340), (14, 47223720), (15, 44075472), (16, 41320755), (18, 36729560), (20, 33056604), (21, 31482480), (24, 27547170), (28, 23611860), (30, 22037736), (35, 18889488), (36, 18364780), (40, 16528302), (42, 15741240), (45, 14691824), (47, 14066640), (48, 13773585), (56, 11805930), (60, 11018868), (63, 10494160), (70, 9444744), (72, 9182390), (80, 8264151), (84, 7870620), (90, 7345912), (94, 7033320), (105, 6296496), (112, 5902965), (120, 5509434), (126, 5247080), (140, 4722372), (141, 4688880), (144, 4591195), (168, 3935310), (180, 3672956), (188, 3516660), (210, 3148248), (235, 2813328), (240, 2754717), (252, 2623540), (280, 2361186), (282, 2344440), (315, 2098832), (329, 2009520), (336, 1967655), (360, 1836478), (376, 1758330), (420, 1574124), (423, 1562960), (470, 1406664), (504, 1311770), (560, 1180593), (564, 1172220), (630, 1049416), (658, 1004760), (705, 937776), (720, 918239), (752, 879165), (840, 787062), (846, 781480), (940, 703332), (987, 669840), (1008, 655885), (1128, 586110), (1260, 524708), (1316, 502380), (1410, 468888), (1645, 401904), (1680, 393531), (1692, 390740), (1880, 351666), (1974, 334920), (2115, 312592), (2256, 293055), (2520, 262354), (2632, 251190), (2791, 236880), (2820, 234444), (2961, 223280), (3290, 200952), (3384, 195370), (3760, 175833), (3948, 167460), (4230, 156296), (4935, 133968), (5040, 131177), (5264, 125595), (5582, 118440), (5640, 117222), (5922, 111640), (6580, 100476), (6768, 97685), (7896, 83730), (8373, 78960), (8460, 78148), (9870, 66984), (11164, 59220), (11280, 58611), (11844, 55820), (13160, 50238), (13955, 47376), (14805, 44656), (15792, 41865), (16746, 39480), (16920, 39074), (19537, 33840), (19740, 33492), (22328, 29610), (23688, 27910), (25119, 26320)]