281400840

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{111667}}^1$

素因数の和:111691

約数の個数: 96

約数和(自身を含む): 1045212480

約数和(自身を除く): 763811640

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 56, 60, 63, 70, 72, 84, 90, 105, 120, 126, 140, 168, 180, 210, 252, 280, 315, 360, 420, 504, 630, 840, 1260, 2520, 111667, 223334, 335001, 446668, 558335, 670002, 781669, 893336, 1005003, 1116670, 1340004, 1563338, 1675005, 2010006, 2233340, 2345007, 2680008, 3126676, 3350010, 3908345, 4020012, 4466680, 4690014, 5025015, 6253352, 6700020, 7035021, 7816690, 8040024, 9380028, 10050030, 11725035, 13400040, 14070042, 15633380, 18760056, 20100060, 23450070, 28140084, 31266760, 35175105, 40200120, 46900140, 56280168, 70350210, 93800280, 140700420, 281400840]

約数ペア:

[(1, 281400840), (2, 140700420), (3, 93800280), (4, 70350210), (5, 56280168), (6, 46900140), (7, 40200120), (8, 35175105), (9, 31266760), (10, 28140084), (12, 23450070), (14, 20100060), (15, 18760056), (18, 15633380), (20, 14070042), (21, 13400040), (24, 11725035), (28, 10050030), (30, 9380028), (35, 8040024), (36, 7816690), (40, 7035021), (42, 6700020), (45, 6253352), (56, 5025015), (60, 4690014), (63, 4466680), (70, 4020012), (72, 3908345), (84, 3350010), (90, 3126676), (105, 2680008), (120, 2345007), (126, 2233340), (140, 2010006), (168, 1675005), (180, 1563338), (210, 1340004), (252, 1116670), (280, 1005003), (315, 893336), (360, 781669), (420, 670002), (504, 558335), (630, 446668), (840, 335001), (1260, 223334), (2520, 111667)]