401022720

素因数分解:

$2^8\times 3^2\times 5^1\times 7^1\times {\mathrm{4973}}^1$

素因数の和:5007

約数の個数: 216

約数和(自身を含む): 1586029536

約数和(自身を除く): 1185006816

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 64, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 128, 140, 144, 160, 168, 180, 192, 210, 224, 240, 252, 256, 280, 288, 315, 320, 336, 360, 384, 420, 448, 480, 504, 560, 576, 630, 640, 672, 720, 768, 840, 896, 960, 1008, 1120, 1152, 1260, 1280, 1344, 1440, 1680, 1792, 1920, 2016, 2240, 2304, 2520, 2688, 2880, 3360, 3840, 4032, 4480, 4973, 5040, 5376, 5760, 6720, 8064, 8960, 9946, 10080, 11520, 13440, 14919, 16128, 19892, 20160, 24865, 26880, 29838, 34811, 39784, 40320, 44757, 49730, 59676, 69622, 74595, 79568, 80640, 89514, 99460, 104433, 119352, 139244, 149190, 159136, 174055, 179028, 198920, 208866, 223785, 238704, 278488, 298380, 313299, 318272, 348110, 358056, 397840, 417732, 447570, 477408, 522165, 556976, 596760, 626598, 636544, 696220, 716112, 795680, 835464, 895140, 954816, 1044330, 1113952, 1193520, 1253196, 1273088, 1392440, 1432224, 1566495, 1591360, 1670928, 1790280, 1909632, 2088660, 2227904, 2387040, 2506392, 2784880, 2864448, 3132990, 3182720, 3341856, 3580560, 3819264, 4177320, 4455808, 4774080, 5012784, 5569760, 5728896, 6265980, 6365440, 6683712, 7161120, 8354640, 8911616, 9548160, 10025568, 11139520, 11457792, 12531960, 13367424, 14322240, 16709280, 19096320, 20051136, 22279040, 25063920, 26734848, 28644480, 33418560, 40102272, 44558080, 50127840, 57288960, 66837120, 80204544, 100255680, 133674240, 200511360, 401022720]

約数ペア:

[(1, 401022720), (2, 200511360), (3, 133674240), (4, 100255680), (5, 80204544), (6, 66837120), (7, 57288960), (8, 50127840), (9, 44558080), (10, 40102272), (12, 33418560), (14, 28644480), (15, 26734848), (16, 25063920), (18, 22279040), (20, 20051136), (21, 19096320), (24, 16709280), (28, 14322240), (30, 13367424), (32, 12531960), (35, 11457792), (36, 11139520), (40, 10025568), (42, 9548160), (45, 8911616), (48, 8354640), (56, 7161120), (60, 6683712), (63, 6365440), (64, 6265980), (70, 5728896), (72, 5569760), (80, 5012784), (84, 4774080), (90, 4455808), (96, 4177320), (105, 3819264), (112, 3580560), (120, 3341856), (126, 3182720), (128, 3132990), (140, 2864448), (144, 2784880), (160, 2506392), (168, 2387040), (180, 2227904), (192, 2088660), (210, 1909632), (224, 1790280), (240, 1670928), (252, 1591360), (256, 1566495), (280, 1432224), (288, 1392440), (315, 1273088), (320, 1253196), (336, 1193520), (360, 1113952), (384, 1044330), (420, 954816), (448, 895140), (480, 835464), (504, 795680), (560, 716112), (576, 696220), (630, 636544), (640, 626598), (672, 596760), (720, 556976), (768, 522165), (840, 477408), (896, 447570), (960, 417732), (1008, 397840), (1120, 358056), (1152, 348110), (1260, 318272), (1280, 313299), (1344, 298380), (1440, 278488), (1680, 238704), (1792, 223785), (1920, 208866), (2016, 198920), (2240, 179028), (2304, 174055), (2520, 159136), (2688, 149190), (2880, 139244), (3360, 119352), (3840, 104433), (4032, 99460), (4480, 89514), (4973, 80640), (5040, 79568), (5376, 74595), (5760, 69622), (6720, 59676), (8064, 49730), (8960, 44757), (9946, 40320), (10080, 39784), (11520, 34811), (13440, 29838), (14919, 26880), (16128, 24865), (19892, 20160)]