278896609880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{9043}}^1\times {\mathrm{4789}}^1$

素因数の和:13873

約数の個数: 128

約数和(自身を含む): 748582732800

約数和(自身を除く): 469686122920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 28, 35, 40, 46, 56, 70, 92, 115, 140, 161, 184, 230, 280, 322, 460, 644, 805, 920, 1288, 1610, 3220, 4789, 6440, 9043, 9578, 18086, 19156, 23945, 33523, 36172, 38312, 45215, 47890, 63301, 67046, 72344, 90430, 95780, 110147, 126602, 134092, 167615, 180860, 191560, 207989, 220294, 253204, 268184, 316505, 335230, 361720, 415978, 440588, 506408, 550735, 633010, 670460, 771029, 831956, 881176, 1039945, 1101470, 1266020, 1340920, 1455923, 1542058, 1663912, 2079890, 2202940, 2532040, 2911846, 3084116, 3855145, 4159780, 4405880, 5823692, 6168232, 7279615, 7710290, 8319560, 11647384, 14559230, 15420580, 29118460, 30841160, 43306927, 58236920, 86613854, 173227708, 216534635, 303148489, 346455416, 433069270, 606296978, 866138540, 996059321, 1212593956, 1515742445, 1732277080, 1992118642, 2425187912, 3031484890, 3984237284, 4980296605, 6062969780, 6972415247, 7968474568, 9960593210, 12125939560, 13944830494, 19921186420, 27889660988, 34862076235, 39842372840, 55779321976, 69724152470, 139448304940, 278896609880]

約数ペア:

[(1, 278896609880), (2, 139448304940), (4, 69724152470), (5, 55779321976), (7, 39842372840), (8, 34862076235), (10, 27889660988), (14, 19921186420), (20, 13944830494), (23, 12125939560), (28, 9960593210), (35, 7968474568), (40, 6972415247), (46, 6062969780), (56, 4980296605), (70, 3984237284), (92, 3031484890), (115, 2425187912), (140, 1992118642), (161, 1732277080), (184, 1515742445), (230, 1212593956), (280, 996059321), (322, 866138540), (460, 606296978), (644, 433069270), (805, 346455416), (920, 303148489), (1288, 216534635), (1610, 173227708), (3220, 86613854), (4789, 58236920), (6440, 43306927), (9043, 30841160), (9578, 29118460), (18086, 15420580), (19156, 14559230), (23945, 11647384), (33523, 8319560), (36172, 7710290), (38312, 7279615), (45215, 6168232), (47890, 5823692), (63301, 4405880), (67046, 4159780), (72344, 3855145), (90430, 3084116), (95780, 2911846), (110147, 2532040), (126602, 2202940), (134092, 2079890), (167615, 1663912), (180860, 1542058), (191560, 1455923), (207989, 1340920), (220294, 1266020), (253204, 1101470), (268184, 1039945), (316505, 881176), (335230, 831956), (361720, 771029), (415978, 670460), (440588, 633010), (506408, 550735)]