1977840

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1$

素因数の和:127

約数の個数: 120

約数和(自身を含む): 6905808

約数和(自身を除く): 4927968

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 41, 45, 48, 60, 67, 72, 80, 82, 90, 120, 123, 134, 144, 164, 180, 201, 205, 240, 246, 268, 328, 335, 360, 369, 402, 410, 492, 536, 603, 615, 656, 670, 720, 738, 804, 820, 984, 1005, 1072, 1206, 1230, 1340, 1476, 1608, 1640, 1845, 1968, 2010, 2412, 2460, 2680, 2747, 2952, 3015, 3216, 3280, 3690, 4020, 4824, 4920, 5360, 5494, 5904, 6030, 7380, 8040, 8241, 9648, 9840, 10988, 12060, 13735, 14760, 16080, 16482, 21976, 24120, 24723, 27470, 29520, 32964, 41205, 43952, 48240, 49446, 54940, 65928, 82410, 98892, 109880, 123615, 131856, 164820, 197784, 219760, 247230, 329640, 395568, 494460, 659280, 988920, 1977840]

約数ペア:

[(1, 1977840), (2, 988920), (3, 659280), (4, 494460), (5, 395568), (6, 329640), (8, 247230), (9, 219760), (10, 197784), (12, 164820), (15, 131856), (16, 123615), (18, 109880), (20, 98892), (24, 82410), (30, 65928), (36, 54940), (40, 49446), (41, 48240), (45, 43952), (48, 41205), (60, 32964), (67, 29520), (72, 27470), (80, 24723), (82, 24120), (90, 21976), (120, 16482), (123, 16080), (134, 14760), (144, 13735), (164, 12060), (180, 10988), (201, 9840), (205, 9648), (240, 8241), (246, 8040), (268, 7380), (328, 6030), (335, 5904), (360, 5494), (369, 5360), (402, 4920), (410, 4824), (492, 4020), (536, 3690), (603, 3280), (615, 3216), (656, 3015), (670, 2952), (720, 2747), (738, 2680), (804, 2460), (820, 2412), (984, 2010), (1005, 1968), (1072, 1845), (1206, 1640), (1230, 1608), (1340, 1476)]