221504490

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{673}}^1$

素因数の和:765

約数の個数: 128

約数和(自身を含む): 628922880

約数和(自身を除く): 407418390

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 23, 27, 30, 45, 46, 53, 54, 69, 90, 106, 115, 135, 138, 159, 207, 230, 265, 270, 318, 345, 414, 477, 530, 621, 673, 690, 795, 954, 1035, 1219, 1242, 1346, 1431, 1590, 2019, 2070, 2385, 2438, 2862, 3105, 3365, 3657, 4038, 4770, 6057, 6095, 6210, 6730, 7155, 7314, 10095, 10971, 12114, 12190, 14310, 15479, 18171, 18285, 20190, 21942, 30285, 30958, 32913, 35669, 36342, 36570, 46437, 54855, 60570, 65826, 71338, 77395, 90855, 92874, 107007, 109710, 139311, 154790, 164565, 178345, 181710, 214014, 232185, 278622, 321021, 329130, 356690, 417933, 464370, 535035, 642042, 696555, 820387, 835866, 963063, 1070070, 1393110, 1605105, 1640774, 1926126, 2089665, 2461161, 3210210, 4101935, 4179330, 4815315, 4922322, 7383483, 8203870, 9630630, 12305805, 14766966, 22150449, 24611610, 36917415, 44300898, 73834830, 110752245, 221504490]

約数ペア:

[(1, 221504490), (2, 110752245), (3, 73834830), (5, 44300898), (6, 36917415), (9, 24611610), (10, 22150449), (15, 14766966), (18, 12305805), (23, 9630630), (27, 8203870), (30, 7383483), (45, 4922322), (46, 4815315), (53, 4179330), (54, 4101935), (69, 3210210), (90, 2461161), (106, 2089665), (115, 1926126), (135, 1640774), (138, 1605105), (159, 1393110), (207, 1070070), (230, 963063), (265, 835866), (270, 820387), (318, 696555), (345, 642042), (414, 535035), (477, 464370), (530, 417933), (621, 356690), (673, 329130), (690, 321021), (795, 278622), (954, 232185), (1035, 214014), (1219, 181710), (1242, 178345), (1346, 164565), (1431, 154790), (1590, 139311), (2019, 109710), (2070, 107007), (2385, 92874), (2438, 90855), (2862, 77395), (3105, 71338), (3365, 65826), (3657, 60570), (4038, 54855), (4770, 46437), (6057, 36570), (6095, 36342), (6210, 35669), (6730, 32913), (7155, 30958), (7314, 30285), (10095, 21942), (10971, 20190), (12114, 18285), (12190, 18171), (14310, 15479)]