78401520

素因数分解:

$2^4\times 3^5\times 5^1\times {\mathrm{37}}^1\times {\mathrm{109}}^1$

素因数の和:174

約数の個数: 240

約数和(自身を含む): 283002720

約数和(自身を除く): 204601200

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 37, 40, 45, 48, 54, 60, 72, 74, 80, 81, 90, 108, 109, 111, 120, 135, 144, 148, 162, 180, 185, 216, 218, 222, 240, 243, 270, 296, 324, 327, 333, 360, 370, 405, 432, 436, 444, 486, 540, 545, 555, 592, 648, 654, 666, 720, 740, 810, 872, 888, 972, 981, 999, 1080, 1090, 1110, 1215, 1296, 1308, 1332, 1480, 1620, 1635, 1665, 1744, 1776, 1944, 1962, 1998, 2160, 2180, 2220, 2430, 2616, 2664, 2943, 2960, 2997, 3240, 3270, 3330, 3888, 3924, 3996, 4033, 4360, 4440, 4860, 4905, 4995, 5232, 5328, 5886, 5994, 6480, 6540, 6660, 7848, 7992, 8066, 8720, 8829, 8880, 8991, 9720, 9810, 9990, 11772, 11988, 12099, 13080, 13320, 14715, 14985, 15696, 15984, 16132, 17658, 17982, 19440, 19620, 19980, 20165, 23544, 23976, 24198, 26160, 26487, 26640, 29430, 29970, 32264, 35316, 35964, 36297, 39240, 39960, 40330, 44145, 44955, 47088, 47952, 48396, 52974, 58860, 59940, 60495, 64528, 70632, 71928, 72594, 78480, 79920, 80660, 88290, 89910, 96792, 105948, 108891, 117720, 119880, 120990, 132435, 141264, 143856, 145188, 161320, 176580, 179820, 181485, 193584, 211896, 217782, 235440, 239760, 241980, 264870, 290376, 322640, 326673, 353160, 359640, 362970, 423792, 435564, 483960, 529740, 544455, 580752, 653346, 706320, 719280, 725940, 871128, 967920, 980019, 1059480, 1088910, 1306692, 1451880, 1633365, 1742256, 1960038, 2118960, 2177820, 2613384, 2903760, 3266730, 3920076, 4355640, 4900095, 5226768, 6533460, 7840152, 8711280, 9800190, 13066920, 15680304, 19600380, 26133840, 39200760, 78401520]

約数ペア:

[(1, 78401520), (2, 39200760), (3, 26133840), (4, 19600380), (5, 15680304), (6, 13066920), (8, 9800190), (9, 8711280), (10, 7840152), (12, 6533460), (15, 5226768), (16, 4900095), (18, 4355640), (20, 3920076), (24, 3266730), (27, 2903760), (30, 2613384), (36, 2177820), (37, 2118960), (40, 1960038), (45, 1742256), (48, 1633365), (54, 1451880), (60, 1306692), (72, 1088910), (74, 1059480), (80, 980019), (81, 967920), (90, 871128), (108, 725940), (109, 719280), (111, 706320), (120, 653346), (135, 580752), (144, 544455), (148, 529740), (162, 483960), (180, 435564), (185, 423792), (216, 362970), (218, 359640), (222, 353160), (240, 326673), (243, 322640), (270, 290376), (296, 264870), (324, 241980), (327, 239760), (333, 235440), (360, 217782), (370, 211896), (405, 193584), (432, 181485), (436, 179820), (444, 176580), (486, 161320), (540, 145188), (545, 143856), (555, 141264), (592, 132435), (648, 120990), (654, 119880), (666, 117720), (720, 108891), (740, 105948), (810, 96792), (872, 89910), (888, 88290), (972, 80660), (981, 79920), (999, 78480), (1080, 72594), (1090, 71928), (1110, 70632), (1215, 64528), (1296, 60495), (1308, 59940), (1332, 58860), (1480, 52974), (1620, 48396), (1635, 47952), (1665, 47088), (1744, 44955), (1776, 44145), (1944, 40330), (1962, 39960), (1998, 39240), (2160, 36297), (2180, 35964), (2220, 35316), (2430, 32264), (2616, 29970), (2664, 29430), (2943, 26640), (2960, 26487), (2997, 26160), (3240, 24198), (3270, 23976), (3330, 23544), (3888, 20165), (3924, 19980), (3996, 19620), (4033, 19440), (4360, 17982), (4440, 17658), (4860, 16132), (4905, 15984), (4995, 15696), (5232, 14985), (5328, 14715), (5886, 13320), (5994, 13080), (6480, 12099), (6540, 11988), (6660, 11772), (7848, 9990), (7992, 9810), (8066, 9720), (8720, 8991), (8829, 8880)]