217782810

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{1889}}^1$

素因数の和:1973

約数の個数: 128

約数和(自身を含む): 674956800

約数和(自身を除く): 457173990

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 54, 61, 63, 70, 90, 105, 122, 126, 135, 183, 189, 210, 270, 305, 315, 366, 378, 427, 549, 610, 630, 854, 915, 945, 1098, 1281, 1647, 1830, 1889, 1890, 2135, 2562, 2745, 3294, 3778, 3843, 4270, 5490, 5667, 6405, 7686, 8235, 9445, 11334, 11529, 12810, 13223, 16470, 17001, 18890, 19215, 23058, 26446, 28335, 34002, 38430, 39669, 51003, 56670, 57645, 66115, 79338, 85005, 102006, 115229, 115290, 119007, 132230, 170010, 198345, 230458, 238014, 255015, 345687, 357021, 396690, 510030, 576145, 595035, 691374, 714042, 806603, 1037061, 1152290, 1190070, 1613206, 1728435, 1785105, 2074122, 2419809, 3111183, 3456870, 3570210, 4033015, 4839618, 5185305, 6222366, 7259427, 8066030, 10370610, 12099045, 14518854, 15555915, 21778281, 24198090, 31111830, 36297135, 43556562, 72594270, 108891405, 217782810]

約数ペア:

[(1, 217782810), (2, 108891405), (3, 72594270), (5, 43556562), (6, 36297135), (7, 31111830), (9, 24198090), (10, 21778281), (14, 15555915), (15, 14518854), (18, 12099045), (21, 10370610), (27, 8066030), (30, 7259427), (35, 6222366), (42, 5185305), (45, 4839618), (54, 4033015), (61, 3570210), (63, 3456870), (70, 3111183), (90, 2419809), (105, 2074122), (122, 1785105), (126, 1728435), (135, 1613206), (183, 1190070), (189, 1152290), (210, 1037061), (270, 806603), (305, 714042), (315, 691374), (366, 595035), (378, 576145), (427, 510030), (549, 396690), (610, 357021), (630, 345687), (854, 255015), (915, 238014), (945, 230458), (1098, 198345), (1281, 170010), (1647, 132230), (1830, 119007), (1889, 115290), (1890, 115229), (2135, 102006), (2562, 85005), (2745, 79338), (3294, 66115), (3778, 57645), (3843, 56670), (4270, 51003), (5490, 39669), (5667, 38430), (6405, 34002), (7686, 28335), (8235, 26446), (9445, 23058), (11334, 19215), (11529, 18890), (12810, 17001), (13223, 16470)]