220258720

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{367}}^1$

素因数の和:435

約数の個数: 144

約数和(自身を含む): 592026624

約数和(自身を除く): 371767904

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 31, 32, 40, 44, 55, 62, 80, 88, 110, 121, 124, 155, 160, 176, 220, 242, 248, 310, 341, 352, 367, 440, 484, 496, 605, 620, 682, 734, 880, 968, 992, 1210, 1240, 1364, 1468, 1705, 1760, 1835, 1936, 2420, 2480, 2728, 2936, 3410, 3670, 3751, 3872, 4037, 4840, 4960, 5456, 5872, 6820, 7340, 7502, 8074, 9680, 10912, 11377, 11744, 13640, 14680, 15004, 16148, 18755, 19360, 20185, 22754, 27280, 29360, 30008, 32296, 37510, 40370, 44407, 45508, 54560, 56885, 58720, 60016, 64592, 75020, 80740, 88814, 91016, 113770, 120032, 125147, 129184, 150040, 161480, 177628, 182032, 222035, 227540, 250294, 300080, 322960, 355256, 364064, 444070, 455080, 500588, 600160, 625735, 645920, 710512, 888140, 910160, 1001176, 1251470, 1376617, 1421024, 1776280, 1820320, 2002352, 2502940, 2753234, 3552560, 4004704, 5005880, 5506468, 6883085, 7105120, 10011760, 11012936, 13766170, 20023520, 22025872, 27532340, 44051744, 55064680, 110129360, 220258720]

約数ペア:

[(1, 220258720), (2, 110129360), (4, 55064680), (5, 44051744), (8, 27532340), (10, 22025872), (11, 20023520), (16, 13766170), (20, 11012936), (22, 10011760), (31, 7105120), (32, 6883085), (40, 5506468), (44, 5005880), (55, 4004704), (62, 3552560), (80, 2753234), (88, 2502940), (110, 2002352), (121, 1820320), (124, 1776280), (155, 1421024), (160, 1376617), (176, 1251470), (220, 1001176), (242, 910160), (248, 888140), (310, 710512), (341, 645920), (352, 625735), (367, 600160), (440, 500588), (484, 455080), (496, 444070), (605, 364064), (620, 355256), (682, 322960), (734, 300080), (880, 250294), (968, 227540), (992, 222035), (1210, 182032), (1240, 177628), (1364, 161480), (1468, 150040), (1705, 129184), (1760, 125147), (1835, 120032), (1936, 113770), (2420, 91016), (2480, 88814), (2728, 80740), (2936, 75020), (3410, 64592), (3670, 60016), (3751, 58720), (3872, 56885), (4037, 54560), (4840, 45508), (4960, 44407), (5456, 40370), (5872, 37510), (6820, 32296), (7340, 30008), (7502, 29360), (8074, 27280), (9680, 22754), (10912, 20185), (11377, 19360), (11744, 18755), (13640, 16148), (14680, 15004)]