203490840

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{1543}}^1$

素因数の和:1721

約数の個数: 128

約数和(自身を含む): 702581760

約数和(自身を除く): 499090920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 157, 168, 210, 280, 314, 420, 471, 628, 785, 840, 942, 1099, 1256, 1543, 1570, 1884, 2198, 2355, 3086, 3140, 3297, 3768, 4396, 4629, 4710, 5495, 6172, 6280, 6594, 7715, 8792, 9258, 9420, 10801, 10990, 12344, 13188, 15430, 16485, 18516, 18840, 21602, 21980, 23145, 26376, 30860, 32403, 32970, 37032, 43204, 43960, 46290, 54005, 61720, 64806, 65940, 86408, 92580, 108010, 129612, 131880, 162015, 185160, 216020, 242251, 259224, 324030, 432040, 484502, 648060, 726753, 969004, 1211255, 1296120, 1453506, 1695757, 1938008, 2422510, 2907012, 3391514, 3633765, 4845020, 5087271, 5814024, 6783028, 7267530, 8478785, 9690040, 10174542, 13566056, 14535060, 16957570, 20349084, 25436355, 29070120, 33915140, 40698168, 50872710, 67830280, 101745420, 203490840]

約数ペア:

[(1, 203490840), (2, 101745420), (3, 67830280), (4, 50872710), (5, 40698168), (6, 33915140), (7, 29070120), (8, 25436355), (10, 20349084), (12, 16957570), (14, 14535060), (15, 13566056), (20, 10174542), (21, 9690040), (24, 8478785), (28, 7267530), (30, 6783028), (35, 5814024), (40, 5087271), (42, 4845020), (56, 3633765), (60, 3391514), (70, 2907012), (84, 2422510), (105, 1938008), (120, 1695757), (140, 1453506), (157, 1296120), (168, 1211255), (210, 969004), (280, 726753), (314, 648060), (420, 484502), (471, 432040), (628, 324030), (785, 259224), (840, 242251), (942, 216020), (1099, 185160), (1256, 162015), (1543, 131880), (1570, 129612), (1884, 108010), (2198, 92580), (2355, 86408), (3086, 65940), (3140, 64806), (3297, 61720), (3768, 54005), (4396, 46290), (4629, 43960), (4710, 43204), (5495, 37032), (6172, 32970), (6280, 32403), (6594, 30860), (7715, 26376), (8792, 23145), (9258, 21980), (9420, 21602), (10801, 18840), (10990, 18516), (12344, 16485), (13188, 15430)]