80399760

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{47857}}^1$

素因数の和:47880

約数の個数: 80

約数和(自身を含む): 284850816

約数和(自身を除く): 204451056

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 47857, 95714, 143571, 191428, 239285, 287142, 334999, 382856, 478570, 574284, 669998, 717855, 765712, 957140, 1004997, 1148568, 1339996, 1435710, 1674995, 1914280, 2009994, 2297136, 2679992, 2871420, 3349990, 3828560, 4019988, 5024985, 5359984, 5742840, 6699980, 8039976, 10049970, 11485680, 13399960, 16079952, 20099940, 26799920, 40199880, 80399760]

約数ペア:

[(1, 80399760), (2, 40199880), (3, 26799920), (4, 20099940), (5, 16079952), (6, 13399960), (7, 11485680), (8, 10049970), (10, 8039976), (12, 6699980), (14, 5742840), (15, 5359984), (16, 5024985), (20, 4019988), (21, 3828560), (24, 3349990), (28, 2871420), (30, 2679992), (35, 2297136), (40, 2009994), (42, 1914280), (48, 1674995), (56, 1435710), (60, 1339996), (70, 1148568), (80, 1004997), (84, 957140), (105, 765712), (112, 717855), (120, 669998), (140, 574284), (168, 478570), (210, 382856), (240, 334999), (280, 287142), (336, 239285), (420, 191428), (560, 143571), (840, 95714), (1680, 47857)]