643416720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{229}}^1\times {\mathrm{509}}^1$

素因数の和:777

約数の個数: 160

約数和(自身を含む): 2094508800

約数和(自身を除く): 1451092080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 30, 40, 46, 48, 60, 69, 80, 92, 115, 120, 138, 184, 229, 230, 240, 276, 345, 368, 458, 460, 509, 552, 687, 690, 916, 920, 1018, 1104, 1145, 1374, 1380, 1527, 1832, 1840, 2036, 2290, 2545, 2748, 2760, 3054, 3435, 3664, 4072, 4580, 5090, 5267, 5496, 5520, 6108, 6870, 7635, 8144, 9160, 10180, 10534, 10992, 11707, 12216, 13740, 15270, 15801, 18320, 20360, 21068, 23414, 24432, 26335, 27480, 30540, 31602, 35121, 40720, 42136, 46828, 52670, 54960, 58535, 61080, 63204, 70242, 79005, 84272, 93656, 105340, 116561, 117070, 122160, 126408, 140484, 158010, 175605, 187312, 210680, 233122, 234140, 252816, 280968, 316020, 349683, 351210, 421360, 466244, 468280, 561936, 582805, 632040, 699366, 702420, 932488, 936560, 1165610, 1264080, 1398732, 1404840, 1748415, 1864976, 2331220, 2680903, 2797464, 2809680, 3496830, 4662440, 5361806, 5594928, 6993660, 8042709, 9324880, 10723612, 13404515, 13987320, 16085418, 21447224, 26809030, 27974640, 32170836, 40213545, 42894448, 53618060, 64341672, 80427090, 107236120, 128683344, 160854180, 214472240, 321708360, 643416720]

約数ペア:

[(1, 643416720), (2, 321708360), (3, 214472240), (4, 160854180), (5, 128683344), (6, 107236120), (8, 80427090), (10, 64341672), (12, 53618060), (15, 42894448), (16, 40213545), (20, 32170836), (23, 27974640), (24, 26809030), (30, 21447224), (40, 16085418), (46, 13987320), (48, 13404515), (60, 10723612), (69, 9324880), (80, 8042709), (92, 6993660), (115, 5594928), (120, 5361806), (138, 4662440), (184, 3496830), (229, 2809680), (230, 2797464), (240, 2680903), (276, 2331220), (345, 1864976), (368, 1748415), (458, 1404840), (460, 1398732), (509, 1264080), (552, 1165610), (687, 936560), (690, 932488), (916, 702420), (920, 699366), (1018, 632040), (1104, 582805), (1145, 561936), (1374, 468280), (1380, 466244), (1527, 421360), (1832, 351210), (1840, 349683), (2036, 316020), (2290, 280968), (2545, 252816), (2748, 234140), (2760, 233122), (3054, 210680), (3435, 187312), (3664, 175605), (4072, 158010), (4580, 140484), (5090, 126408), (5267, 122160), (5496, 117070), (5520, 116561), (6108, 105340), (6870, 93656), (7635, 84272), (8144, 79005), (9160, 70242), (10180, 63204), (10534, 61080), (10992, 58535), (11707, 54960), (12216, 52670), (13740, 46828), (15270, 42136), (15801, 40720), (18320, 35121), (20360, 31602), (21068, 30540), (23414, 27480), (24432, 26335)]