220628240

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{179}}^1$

素因数の和:301

約数の個数: 160

約数和(自身を含む): 617103360

約数和(自身を除く): 396475120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 35, 40, 56, 62, 70, 71, 80, 112, 124, 140, 142, 155, 179, 217, 248, 280, 284, 310, 355, 358, 434, 496, 497, 560, 568, 620, 710, 716, 868, 895, 994, 1085, 1136, 1240, 1253, 1420, 1432, 1736, 1790, 1988, 2170, 2201, 2480, 2485, 2506, 2840, 2864, 3472, 3580, 3976, 4340, 4402, 4970, 5012, 5549, 5680, 6265, 7160, 7952, 8680, 8804, 9940, 10024, 11005, 11098, 12530, 12709, 14320, 15407, 17360, 17608, 19880, 20048, 22010, 22196, 25060, 25418, 27745, 30814, 35216, 38843, 39760, 44020, 44392, 50120, 50836, 55490, 61628, 63545, 77035, 77686, 88040, 88784, 88963, 100240, 101672, 110980, 123256, 127090, 154070, 155372, 176080, 177926, 194215, 203344, 221960, 246512, 254180, 308140, 310744, 355852, 388430, 393979, 443920, 444815, 508360, 616280, 621488, 711704, 776860, 787958, 889630, 1016720, 1232560, 1423408, 1553720, 1575916, 1779260, 1969895, 2757853, 3107440, 3151832, 3558520, 3939790, 5515706, 6303664, 7117040, 7879580, 11031412, 13789265, 15759160, 22062824, 27578530, 31518320, 44125648, 55157060, 110314120, 220628240]

約数ペア:

[(1, 220628240), (2, 110314120), (4, 55157060), (5, 44125648), (7, 31518320), (8, 27578530), (10, 22062824), (14, 15759160), (16, 13789265), (20, 11031412), (28, 7879580), (31, 7117040), (35, 6303664), (40, 5515706), (56, 3939790), (62, 3558520), (70, 3151832), (71, 3107440), (80, 2757853), (112, 1969895), (124, 1779260), (140, 1575916), (142, 1553720), (155, 1423408), (179, 1232560), (217, 1016720), (248, 889630), (280, 787958), (284, 776860), (310, 711704), (355, 621488), (358, 616280), (434, 508360), (496, 444815), (497, 443920), (560, 393979), (568, 388430), (620, 355852), (710, 310744), (716, 308140), (868, 254180), (895, 246512), (994, 221960), (1085, 203344), (1136, 194215), (1240, 177926), (1253, 176080), (1420, 155372), (1432, 154070), (1736, 127090), (1790, 123256), (1988, 110980), (2170, 101672), (2201, 100240), (2480, 88963), (2485, 88784), (2506, 88040), (2840, 77686), (2864, 77035), (3472, 63545), (3580, 61628), (3976, 55490), (4340, 50836), (4402, 50120), (4970, 44392), (5012, 44020), (5549, 39760), (5680, 38843), (6265, 35216), (7160, 30814), (7952, 27745), (8680, 25418), (8804, 25060), (9940, 22196), (10024, 22010), (11005, 20048), (11098, 19880), (12530, 17608), (12709, 17360), (14320, 15407)]