240555420

素因数分解:

$2^2\times 3^6\times 5^1\times 7^1\times {\mathrm{2357}}^1$

素因数の和:2391

約数の個数: 168

約数和(自身を含む): 865970784

約数和(自身を除く): 625415364

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, 54, 60, 63, 70, 81, 84, 90, 105, 108, 126, 135, 140, 162, 180, 189, 210, 243, 252, 270, 315, 324, 378, 405, 420, 486, 540, 567, 630, 729, 756, 810, 945, 972, 1134, 1215, 1260, 1458, 1620, 1701, 1890, 2268, 2357, 2430, 2835, 2916, 3402, 3645, 3780, 4714, 4860, 5103, 5670, 6804, 7071, 7290, 8505, 9428, 10206, 11340, 11785, 14142, 14580, 16499, 17010, 20412, 21213, 23570, 25515, 28284, 32998, 34020, 35355, 42426, 47140, 49497, 51030, 63639, 65996, 70710, 82495, 84852, 98994, 102060, 106065, 127278, 141420, 148491, 164990, 190917, 197988, 212130, 247485, 254556, 296982, 318195, 329980, 381834, 424260, 445473, 494970, 572751, 593964, 636390, 742455, 763668, 890946, 954585, 989940, 1145502, 1272780, 1336419, 1484910, 1718253, 1781892, 1909170, 2227365, 2291004, 2672838, 2863755, 2969820, 3436506, 3818340, 4009257, 4454730, 5345676, 5727510, 6682095, 6873012, 8018514, 8591265, 8909460, 11455020, 12027771, 13364190, 16037028, 17182530, 20046285, 24055542, 26728380, 34365060, 40092570, 48111084, 60138855, 80185140, 120277710, 240555420]

約数ペア:

[(1, 240555420), (2, 120277710), (3, 80185140), (4, 60138855), (5, 48111084), (6, 40092570), (7, 34365060), (9, 26728380), (10, 24055542), (12, 20046285), (14, 17182530), (15, 16037028), (18, 13364190), (20, 12027771), (21, 11455020), (27, 8909460), (28, 8591265), (30, 8018514), (35, 6873012), (36, 6682095), (42, 5727510), (45, 5345676), (54, 4454730), (60, 4009257), (63, 3818340), (70, 3436506), (81, 2969820), (84, 2863755), (90, 2672838), (105, 2291004), (108, 2227365), (126, 1909170), (135, 1781892), (140, 1718253), (162, 1484910), (180, 1336419), (189, 1272780), (210, 1145502), (243, 989940), (252, 954585), (270, 890946), (315, 763668), (324, 742455), (378, 636390), (405, 593964), (420, 572751), (486, 494970), (540, 445473), (567, 424260), (630, 381834), (729, 329980), (756, 318195), (810, 296982), (945, 254556), (972, 247485), (1134, 212130), (1215, 197988), (1260, 190917), (1458, 164990), (1620, 148491), (1701, 141420), (1890, 127278), (2268, 106065), (2357, 102060), (2430, 98994), (2835, 84852), (2916, 82495), (3402, 70710), (3645, 65996), (3780, 63639), (4714, 51030), (4860, 49497), (5103, 47140), (5670, 42426), (6804, 35355), (7071, 34020), (7290, 32998), (8505, 28284), (9428, 25515), (10206, 23570), (11340, 21213), (11785, 20412), (14142, 17010), (14580, 16499)]