1368456880

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{27457}}^1$

素因数の和:27566

約数の個数: 80

約数和(自身を含む): 3677175360

約数和(自身を除く): 2308718480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 89, 112, 140, 178, 280, 356, 445, 560, 623, 712, 890, 1246, 1424, 1780, 2492, 3115, 3560, 4984, 6230, 7120, 9968, 12460, 24920, 27457, 49840, 54914, 109828, 137285, 192199, 219656, 274570, 384398, 439312, 549140, 768796, 960995, 1098280, 1537592, 1921990, 2196560, 2443673, 3075184, 3843980, 4887346, 7687960, 9774692, 12218365, 15375920, 17105711, 19549384, 24436730, 34211422, 39098768, 48873460, 68422844, 85528555, 97746920, 136845688, 171057110, 195493840, 273691376, 342114220, 684228440, 1368456880]

約数ペア:

[(1, 1368456880), (2, 684228440), (4, 342114220), (5, 273691376), (7, 195493840), (8, 171057110), (10, 136845688), (14, 97746920), (16, 85528555), (20, 68422844), (28, 48873460), (35, 39098768), (40, 34211422), (56, 24436730), (70, 19549384), (80, 17105711), (89, 15375920), (112, 12218365), (140, 9774692), (178, 7687960), (280, 4887346), (356, 3843980), (445, 3075184), (560, 2443673), (623, 2196560), (712, 1921990), (890, 1537592), (1246, 1098280), (1424, 960995), (1780, 768796), (2492, 549140), (3115, 439312), (3560, 384398), (4984, 274570), (6230, 219656), (7120, 192199), (9968, 137285), (12460, 109828), (24920, 54914), (27457, 49840)]