71228160

素因数分解:

$2^8\times 3^5\times 5^1\times {\mathrm{229}}^1$

素因数の和:265

約数の個数: 216

約数和(自身を含む): 256685520

約数和(自身を除く): 185457360

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 64, 72, 80, 81, 90, 96, 108, 120, 128, 135, 144, 160, 162, 180, 192, 216, 229, 240, 243, 256, 270, 288, 320, 324, 360, 384, 405, 432, 458, 480, 486, 540, 576, 640, 648, 687, 720, 768, 810, 864, 916, 960, 972, 1080, 1145, 1152, 1215, 1280, 1296, 1374, 1440, 1620, 1728, 1832, 1920, 1944, 2061, 2160, 2290, 2304, 2430, 2592, 2748, 2880, 3240, 3435, 3456, 3664, 3840, 3888, 4122, 4320, 4580, 4860, 5184, 5496, 5760, 6183, 6480, 6870, 6912, 7328, 7776, 8244, 8640, 9160, 9720, 10305, 10368, 10992, 11520, 12366, 12960, 13740, 14656, 15552, 16488, 17280, 18320, 18549, 19440, 20610, 20736, 21984, 24732, 25920, 27480, 29312, 30915, 31104, 32976, 34560, 36640, 37098, 38880, 41220, 43968, 49464, 51840, 54960, 55647, 58624, 61830, 62208, 65952, 73280, 74196, 77760, 82440, 87936, 92745, 98928, 103680, 109920, 111294, 123660, 131904, 146560, 148392, 155520, 164880, 175872, 185490, 197856, 219840, 222588, 247320, 263808, 278235, 293120, 296784, 311040, 329760, 370980, 395712, 439680, 445176, 494640, 527616, 556470, 593568, 659520, 741960, 791424, 879360, 890352, 989280, 1112940, 1187136, 1319040, 1483920, 1582848, 1780704, 1978560, 2225880, 2374272, 2638080, 2967840, 3561408, 3957120, 4451760, 4748544, 5935680, 7122816, 7914240, 8903520, 11871360, 14245632, 17807040, 23742720, 35614080, 71228160]

約数ペア:

[(1, 71228160), (2, 35614080), (3, 23742720), (4, 17807040), (5, 14245632), (6, 11871360), (8, 8903520), (9, 7914240), (10, 7122816), (12, 5935680), (15, 4748544), (16, 4451760), (18, 3957120), (20, 3561408), (24, 2967840), (27, 2638080), (30, 2374272), (32, 2225880), (36, 1978560), (40, 1780704), (45, 1582848), (48, 1483920), (54, 1319040), (60, 1187136), (64, 1112940), (72, 989280), (80, 890352), (81, 879360), (90, 791424), (96, 741960), (108, 659520), (120, 593568), (128, 556470), (135, 527616), (144, 494640), (160, 445176), (162, 439680), (180, 395712), (192, 370980), (216, 329760), (229, 311040), (240, 296784), (243, 293120), (256, 278235), (270, 263808), (288, 247320), (320, 222588), (324, 219840), (360, 197856), (384, 185490), (405, 175872), (432, 164880), (458, 155520), (480, 148392), (486, 146560), (540, 131904), (576, 123660), (640, 111294), (648, 109920), (687, 103680), (720, 98928), (768, 92745), (810, 87936), (864, 82440), (916, 77760), (960, 74196), (972, 73280), (1080, 65952), (1145, 62208), (1152, 61830), (1215, 58624), (1280, 55647), (1296, 54960), (1374, 51840), (1440, 49464), (1620, 43968), (1728, 41220), (1832, 38880), (1920, 37098), (1944, 36640), (2061, 34560), (2160, 32976), (2290, 31104), (2304, 30915), (2430, 29312), (2592, 27480), (2748, 25920), (2880, 24732), (3240, 21984), (3435, 20736), (3456, 20610), (3664, 19440), (3840, 18549), (3888, 18320), (4122, 17280), (4320, 16488), (4580, 15552), (4860, 14656), (5184, 13740), (5496, 12960), (5760, 12366), (6183, 11520), (6480, 10992), (6870, 10368), (6912, 10305), (7328, 9720), (7776, 9160), (8244, 8640)]