1260278640

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{21089}}^1$

素因数の和:21191

約数の個数: 120

約数和(自身を含む): 4283632080

約数和(自身を除く): 3023353440

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 83, 90, 120, 144, 166, 180, 240, 249, 332, 360, 415, 498, 664, 720, 747, 830, 996, 1245, 1328, 1494, 1660, 1992, 2490, 2988, 3320, 3735, 3984, 4980, 5976, 6640, 7470, 9960, 11952, 14940, 19920, 21089, 29880, 42178, 59760, 63267, 84356, 105445, 126534, 168712, 189801, 210890, 253068, 316335, 337424, 379602, 421780, 506136, 632670, 759204, 843560, 949005, 1012272, 1265340, 1518408, 1687120, 1750387, 1898010, 2530680, 3036816, 3500774, 3796020, 5061360, 5251161, 7001548, 7592040, 8751935, 10502322, 14003096, 15184080, 15753483, 17503870, 21004644, 26255805, 28006192, 31506966, 35007740, 42009288, 52511610, 63013932, 70015480, 78767415, 84018576, 105023220, 126027864, 140030960, 157534830, 210046440, 252055728, 315069660, 420092880, 630139320, 1260278640]

約数ペア:

[(1, 1260278640), (2, 630139320), (3, 420092880), (4, 315069660), (5, 252055728), (6, 210046440), (8, 157534830), (9, 140030960), (10, 126027864), (12, 105023220), (15, 84018576), (16, 78767415), (18, 70015480), (20, 63013932), (24, 52511610), (30, 42009288), (36, 35007740), (40, 31506966), (45, 28006192), (48, 26255805), (60, 21004644), (72, 17503870), (80, 15753483), (83, 15184080), (90, 14003096), (120, 10502322), (144, 8751935), (166, 7592040), (180, 7001548), (240, 5251161), (249, 5061360), (332, 3796020), (360, 3500774), (415, 3036816), (498, 2530680), (664, 1898010), (720, 1750387), (747, 1687120), (830, 1518408), (996, 1265340), (1245, 1012272), (1328, 949005), (1494, 843560), (1660, 759204), (1992, 632670), (2490, 506136), (2988, 421780), (3320, 379602), (3735, 337424), (3984, 316335), (4980, 253068), (5976, 210890), (6640, 189801), (7470, 168712), (9960, 126534), (11952, 105445), (14940, 84356), (19920, 63267), (21089, 59760), (29880, 42178)]