20200320

素因数分解:

$2^7\times 3^3\times 5^1\times 7^1\times {\mathrm{167}}^1$

素因数の和:202

約数の個数: 256

約数和(自身を含む): 82252800

約数和(自身を除く): 62052480

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 32, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 64, 70, 72, 80, 84, 90, 96, 105, 108, 112, 120, 126, 128, 135, 140, 144, 160, 167, 168, 180, 189, 192, 210, 216, 224, 240, 252, 270, 280, 288, 315, 320, 334, 336, 360, 378, 384, 420, 432, 448, 480, 501, 504, 540, 560, 576, 630, 640, 668, 672, 720, 756, 835, 840, 864, 896, 945, 960, 1002, 1008, 1080, 1120, 1152, 1169, 1260, 1336, 1344, 1440, 1503, 1512, 1670, 1680, 1728, 1890, 1920, 2004, 2016, 2160, 2240, 2338, 2505, 2520, 2672, 2688, 2880, 3006, 3024, 3340, 3360, 3456, 3507, 3780, 4008, 4032, 4320, 4480, 4509, 4676, 5010, 5040, 5344, 5760, 5845, 6012, 6048, 6680, 6720, 7014, 7515, 7560, 8016, 8064, 8640, 9018, 9352, 10020, 10080, 10521, 10688, 11690, 12024, 12096, 13360, 13440, 14028, 15030, 15120, 16032, 17280, 17535, 18036, 18704, 20040, 20160, 21042, 21376, 22545, 23380, 24048, 24192, 26720, 28056, 30060, 30240, 31563, 32064, 35070, 36072, 37408, 40080, 40320, 42084, 45090, 46760, 48096, 52605, 53440, 56112, 60120, 60480, 63126, 64128, 70140, 72144, 74816, 80160, 84168, 90180, 93520, 96192, 105210, 106880, 112224, 120240, 120960, 126252, 140280, 144288, 149632, 157815, 160320, 168336, 180360, 187040, 192384, 210420, 224448, 240480, 252504, 280560, 288576, 315630, 320640, 336672, 360720, 374080, 420840, 448896, 480960, 505008, 561120, 577152, 631260, 673344, 721440, 748160, 841680, 961920, 1010016, 1122240, 1262520, 1346688, 1442880, 1683360, 2020032, 2244480, 2525040, 2885760, 3366720, 4040064, 5050080, 6733440, 10100160, 20200320]

約数ペア:

[(1, 20200320), (2, 10100160), (3, 6733440), (4, 5050080), (5, 4040064), (6, 3366720), (7, 2885760), (8, 2525040), (9, 2244480), (10, 2020032), (12, 1683360), (14, 1442880), (15, 1346688), (16, 1262520), (18, 1122240), (20, 1010016), (21, 961920), (24, 841680), (27, 748160), (28, 721440), (30, 673344), (32, 631260), (35, 577152), (36, 561120), (40, 505008), (42, 480960), (45, 448896), (48, 420840), (54, 374080), (56, 360720), (60, 336672), (63, 320640), (64, 315630), (70, 288576), (72, 280560), (80, 252504), (84, 240480), (90, 224448), (96, 210420), (105, 192384), (108, 187040), (112, 180360), (120, 168336), (126, 160320), (128, 157815), (135, 149632), (140, 144288), (144, 140280), (160, 126252), (167, 120960), (168, 120240), (180, 112224), (189, 106880), (192, 105210), (210, 96192), (216, 93520), (224, 90180), (240, 84168), (252, 80160), (270, 74816), (280, 72144), (288, 70140), (315, 64128), (320, 63126), (334, 60480), (336, 60120), (360, 56112), (378, 53440), (384, 52605), (420, 48096), (432, 46760), (448, 45090), (480, 42084), (501, 40320), (504, 40080), (540, 37408), (560, 36072), (576, 35070), (630, 32064), (640, 31563), (668, 30240), (672, 30060), (720, 28056), (756, 26720), (835, 24192), (840, 24048), (864, 23380), (896, 22545), (945, 21376), (960, 21042), (1002, 20160), (1008, 20040), (1080, 18704), (1120, 18036), (1152, 17535), (1169, 17280), (1260, 16032), (1336, 15120), (1344, 15030), (1440, 14028), (1503, 13440), (1512, 13360), (1670, 12096), (1680, 12024), (1728, 11690), (1890, 10688), (1920, 10521), (2004, 10080), (2016, 10020), (2160, 9352), (2240, 9018), (2338, 8640), (2505, 8064), (2520, 8016), (2672, 7560), (2688, 7515), (2880, 7014), (3006, 6720), (3024, 6680), (3340, 6048), (3360, 6012), (3456, 5845), (3507, 5760), (3780, 5344), (4008, 5040), (4032, 5010), (4320, 4676), (4480, 4509)]