220520080

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^3\times {\mathrm{19}}^1\times {\mathrm{109}}^1$

素因数の和:174

約数の個数: 160

約数和(自身を含む): 599068800

約数和(自身を除く): 378548720

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 19, 20, 22, 38, 40, 44, 55, 76, 80, 88, 95, 109, 110, 121, 152, 176, 190, 209, 218, 220, 242, 304, 380, 418, 436, 440, 484, 545, 605, 760, 836, 872, 880, 968, 1045, 1090, 1199, 1210, 1331, 1520, 1672, 1744, 1936, 2071, 2090, 2180, 2299, 2398, 2420, 2662, 3344, 4142, 4180, 4360, 4598, 4796, 4840, 5324, 5995, 6655, 8284, 8360, 8720, 9196, 9592, 9680, 10355, 10648, 11495, 11990, 13189, 13310, 16568, 16720, 18392, 19184, 20710, 21296, 22781, 22990, 23980, 25289, 26378, 26620, 33136, 36784, 41420, 45562, 45980, 47960, 50578, 52756, 53240, 65945, 82840, 91124, 91960, 95920, 101156, 105512, 106480, 113905, 126445, 131890, 145079, 165680, 182248, 183920, 202312, 211024, 227810, 250591, 252890, 263780, 290158, 364496, 404624, 455620, 501182, 505780, 527560, 580316, 725395, 911240, 1002364, 1011560, 1055120, 1160632, 1252955, 1450790, 1822480, 2004728, 2023120, 2321264, 2505910, 2756501, 2901580, 4009456, 5011820, 5513002, 5803160, 10023640, 11026004, 11606320, 13782505, 20047280, 22052008, 27565010, 44104016, 55130020, 110260040, 220520080]

約数ペア:

[(1, 220520080), (2, 110260040), (4, 55130020), (5, 44104016), (8, 27565010), (10, 22052008), (11, 20047280), (16, 13782505), (19, 11606320), (20, 11026004), (22, 10023640), (38, 5803160), (40, 5513002), (44, 5011820), (55, 4009456), (76, 2901580), (80, 2756501), (88, 2505910), (95, 2321264), (109, 2023120), (110, 2004728), (121, 1822480), (152, 1450790), (176, 1252955), (190, 1160632), (209, 1055120), (218, 1011560), (220, 1002364), (242, 911240), (304, 725395), (380, 580316), (418, 527560), (436, 505780), (440, 501182), (484, 455620), (545, 404624), (605, 364496), (760, 290158), (836, 263780), (872, 252890), (880, 250591), (968, 227810), (1045, 211024), (1090, 202312), (1199, 183920), (1210, 182248), (1331, 165680), (1520, 145079), (1672, 131890), (1744, 126445), (1936, 113905), (2071, 106480), (2090, 105512), (2180, 101156), (2299, 95920), (2398, 91960), (2420, 91124), (2662, 82840), (3344, 65945), (4142, 53240), (4180, 52756), (4360, 50578), (4598, 47960), (4796, 45980), (4840, 45562), (5324, 41420), (5995, 36784), (6655, 33136), (8284, 26620), (8360, 26378), (8720, 25289), (9196, 23980), (9592, 22990), (9680, 22781), (10355, 21296), (10648, 20710), (11495, 19184), (11990, 18392), (13189, 16720), (13310, 16568)]