31821083520

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{2141}}^1\times {\mathrm{7741}}^1$

素因数の和:9904

約数の個数: 128

約数和(自身を含む): 101490187680

約数和(自身を除く): 69669104160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 320, 384, 480, 640, 960, 1920, 2141, 4282, 6423, 7741, 8564, 10705, 12846, 15482, 17128, 21410, 23223, 25692, 30964, 32115, 34256, 38705, 42820, 46446, 51384, 61928, 64230, 68512, 77410, 85640, 92892, 102768, 116115, 123856, 128460, 137024, 154820, 171280, 185784, 205536, 232230, 247712, 256920, 274048, 309640, 342560, 371568, 411072, 464460, 495424, 513840, 619280, 685120, 743136, 822144, 928920, 990848, 1027680, 1238560, 1370240, 1486272, 1857840, 2055360, 2477120, 2972544, 3715680, 4110720, 4954240, 7431360, 14862720, 16573481, 33146962, 49720443, 66293924, 82867405, 99440886, 132587848, 165734810, 198881772, 248602215, 265175696, 331469620, 397763544, 497204430, 530351392, 662939240, 795527088, 994408860, 1060702784, 1325878480, 1591054176, 1988817720, 2121405568, 2651756960, 3182108352, 3977635440, 5303513920, 6364216704, 7955270880, 10607027840, 15910541760, 31821083520]

約数ペア:

[(1, 31821083520), (2, 15910541760), (3, 10607027840), (4, 7955270880), (5, 6364216704), (6, 5303513920), (8, 3977635440), (10, 3182108352), (12, 2651756960), (15, 2121405568), (16, 1988817720), (20, 1591054176), (24, 1325878480), (30, 1060702784), (32, 994408860), (40, 795527088), (48, 662939240), (60, 530351392), (64, 497204430), (80, 397763544), (96, 331469620), (120, 265175696), (128, 248602215), (160, 198881772), (192, 165734810), (240, 132587848), (320, 99440886), (384, 82867405), (480, 66293924), (640, 49720443), (960, 33146962), (1920, 16573481), (2141, 14862720), (4282, 7431360), (6423, 4954240), (7741, 4110720), (8564, 3715680), (10705, 2972544), (12846, 2477120), (15482, 2055360), (17128, 1857840), (21410, 1486272), (23223, 1370240), (25692, 1238560), (30964, 1027680), (32115, 990848), (34256, 928920), (38705, 822144), (42820, 743136), (46446, 685120), (51384, 619280), (61928, 513840), (64230, 495424), (68512, 464460), (77410, 411072), (85640, 371568), (92892, 342560), (102768, 309640), (116115, 274048), (123856, 256920), (128460, 247712), (137024, 232230), (154820, 205536), (171280, 185784)]