158680620

素因数分解:

$2^2\times 3^4\times 5^1\times 7^2\times {\mathrm{1999}}^1$

素因数の和:2034

約数の個数: 180

約数和(自身を含む): 579348000

約数和(自身を除く): 420667380

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 49, 54, 60, 63, 70, 81, 84, 90, 98, 105, 108, 126, 135, 140, 147, 162, 180, 189, 196, 210, 245, 252, 270, 294, 315, 324, 378, 405, 420, 441, 490, 540, 567, 588, 630, 735, 756, 810, 882, 945, 980, 1134, 1260, 1323, 1470, 1620, 1764, 1890, 1999, 2205, 2268, 2646, 2835, 2940, 3780, 3969, 3998, 4410, 5292, 5670, 5997, 6615, 7938, 7996, 8820, 9995, 11340, 11994, 13230, 13993, 15876, 17991, 19845, 19990, 23988, 26460, 27986, 29985, 35982, 39690, 39980, 41979, 53973, 55972, 59970, 69965, 71964, 79380, 83958, 89955, 97951, 107946, 119940, 125937, 139930, 161919, 167916, 179910, 195902, 209895, 215892, 251874, 269865, 279860, 293853, 323838, 359820, 377811, 391804, 419790, 489755, 503748, 539730, 587706, 629685, 647676, 755622, 809595, 839580, 881559, 979510, 1079460, 1133433, 1175412, 1259370, 1469265, 1511244, 1619190, 1763118, 1889055, 1959020, 2266866, 2518740, 2644677, 2938530, 3238380, 3526236, 3778110, 4407795, 4533732, 5289354, 5667165, 5877060, 7556220, 7934031, 8815590, 10578708, 11334330, 13223385, 15868062, 17631180, 22668660, 26446770, 31736124, 39670155, 52893540, 79340310, 158680620]

約数ペア:

[(1, 158680620), (2, 79340310), (3, 52893540), (4, 39670155), (5, 31736124), (6, 26446770), (7, 22668660), (9, 17631180), (10, 15868062), (12, 13223385), (14, 11334330), (15, 10578708), (18, 8815590), (20, 7934031), (21, 7556220), (27, 5877060), (28, 5667165), (30, 5289354), (35, 4533732), (36, 4407795), (42, 3778110), (45, 3526236), (49, 3238380), (54, 2938530), (60, 2644677), (63, 2518740), (70, 2266866), (81, 1959020), (84, 1889055), (90, 1763118), (98, 1619190), (105, 1511244), (108, 1469265), (126, 1259370), (135, 1175412), (140, 1133433), (147, 1079460), (162, 979510), (180, 881559), (189, 839580), (196, 809595), (210, 755622), (245, 647676), (252, 629685), (270, 587706), (294, 539730), (315, 503748), (324, 489755), (378, 419790), (405, 391804), (420, 377811), (441, 359820), (490, 323838), (540, 293853), (567, 279860), (588, 269865), (630, 251874), (735, 215892), (756, 209895), (810, 195902), (882, 179910), (945, 167916), (980, 161919), (1134, 139930), (1260, 125937), (1323, 119940), (1470, 107946), (1620, 97951), (1764, 89955), (1890, 83958), (1999, 79380), (2205, 71964), (2268, 69965), (2646, 59970), (2835, 55972), (2940, 53973), (3780, 41979), (3969, 39980), (3998, 39690), (4410, 35982), (5292, 29985), (5670, 27986), (5997, 26460), (6615, 23988), (7938, 19990), (7996, 19845), (8820, 17991), (9995, 15876), (11340, 13993), (11994, 13230)]