390510720

素因数分解:

$2^7\times 3^9\times 5^1\times {\mathrm{31}}^1$

素因数の和:77

約数の個数: 320

約数和(自身を含む): 1445495040

約数和(自身を除く): 1054984320

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 31, 32, 36, 40, 45, 48, 54, 60, 62, 64, 72, 80, 81, 90, 93, 96, 108, 120, 124, 128, 135, 144, 155, 160, 162, 180, 186, 192, 216, 240, 243, 248, 270, 279, 288, 310, 320, 324, 360, 372, 384, 405, 432, 465, 480, 486, 496, 540, 558, 576, 620, 640, 648, 720, 729, 744, 810, 837, 864, 930, 960, 972, 992, 1080, 1116, 1152, 1215, 1240, 1296, 1395, 1440, 1458, 1488, 1620, 1674, 1728, 1860, 1920, 1944, 1984, 2160, 2187, 2232, 2430, 2480, 2511, 2592, 2790, 2880, 2916, 2976, 3240, 3348, 3456, 3645, 3720, 3888, 3968, 4185, 4320, 4374, 4464, 4860, 4960, 5022, 5184, 5580, 5760, 5832, 5952, 6480, 6561, 6696, 7290, 7440, 7533, 7776, 8370, 8640, 8748, 8928, 9720, 9920, 10044, 10368, 10935, 11160, 11664, 11904, 12555, 12960, 13122, 13392, 14580, 14880, 15066, 15552, 16740, 17280, 17496, 17856, 19440, 19683, 19840, 20088, 21870, 22320, 22599, 23328, 25110, 25920, 26244, 26784, 29160, 29760, 30132, 31104, 32805, 33480, 34992, 35712, 37665, 38880, 39366, 40176, 43740, 44640, 45198, 46656, 50220, 51840, 52488, 53568, 58320, 59520, 60264, 65610, 66960, 67797, 69984, 75330, 77760, 78732, 80352, 87480, 89280, 90396, 93312, 98415, 100440, 104976, 107136, 112995, 116640, 120528, 131220, 133920, 135594, 139968, 150660, 155520, 157464, 160704, 174960, 178560, 180792, 196830, 200880, 203391, 209952, 225990, 233280, 241056, 262440, 267840, 271188, 279936, 301320, 314928, 321408, 338985, 349920, 361584, 393660, 401760, 406782, 419904, 451980, 466560, 482112, 524880, 535680, 542376, 602640, 610173, 629856, 677970, 699840, 723168, 787320, 803520, 813564, 839808, 903960, 964224, 1016955, 1049760, 1084752, 1205280, 1220346, 1259712, 1355940, 1399680, 1446336, 1574640, 1607040, 1627128, 1807920, 2033910, 2099520, 2169504, 2410560, 2440692, 2519424, 2711880, 2892672, 3050865, 3149280, 3254256, 3615840, 4067820, 4199040, 4339008, 4821120, 4881384, 5423760, 6101730, 6298560, 6508512, 7231680, 8135640, 8678016, 9762768, 10847520, 12203460, 12597120, 13017024, 14463360, 16271280, 19525536, 21695040, 24406920, 26034048, 32542560, 39051072, 43390080, 48813840, 65085120, 78102144, 97627680, 130170240, 195255360, 390510720]

約数ペア:

[(1, 390510720), (2, 195255360), (3, 130170240), (4, 97627680), (5, 78102144), (6, 65085120), (8, 48813840), (9, 43390080), (10, 39051072), (12, 32542560), (15, 26034048), (16, 24406920), (18, 21695040), (20, 19525536), (24, 16271280), (27, 14463360), (30, 13017024), (31, 12597120), (32, 12203460), (36, 10847520), (40, 9762768), (45, 8678016), (48, 8135640), (54, 7231680), (60, 6508512), (62, 6298560), (64, 6101730), (72, 5423760), (80, 4881384), (81, 4821120), (90, 4339008), (93, 4199040), (96, 4067820), (108, 3615840), (120, 3254256), (124, 3149280), (128, 3050865), (135, 2892672), (144, 2711880), (155, 2519424), (160, 2440692), (162, 2410560), (180, 2169504), (186, 2099520), (192, 2033910), (216, 1807920), (240, 1627128), (243, 1607040), (248, 1574640), (270, 1446336), (279, 1399680), (288, 1355940), (310, 1259712), (320, 1220346), (324, 1205280), (360, 1084752), (372, 1049760), (384, 1016955), (405, 964224), (432, 903960), (465, 839808), (480, 813564), (486, 803520), (496, 787320), (540, 723168), (558, 699840), (576, 677970), (620, 629856), (640, 610173), (648, 602640), (720, 542376), (729, 535680), (744, 524880), (810, 482112), (837, 466560), (864, 451980), (930, 419904), (960, 406782), (972, 401760), (992, 393660), (1080, 361584), (1116, 349920), (1152, 338985), (1215, 321408), (1240, 314928), (1296, 301320), (1395, 279936), (1440, 271188), (1458, 267840), (1488, 262440), (1620, 241056), (1674, 233280), (1728, 225990), (1860, 209952), (1920, 203391), (1944, 200880), (1984, 196830), (2160, 180792), (2187, 178560), (2232, 174960), (2430, 160704), (2480, 157464), (2511, 155520), (2592, 150660), (2790, 139968), (2880, 135594), (2916, 133920), (2976, 131220), (3240, 120528), (3348, 116640), (3456, 112995), (3645, 107136), (3720, 104976), (3888, 100440), (3968, 98415), (4185, 93312), (4320, 90396), (4374, 89280), (4464, 87480), (4860, 80352), (4960, 78732), (5022, 77760), (5184, 75330), (5580, 69984), (5760, 67797), (5832, 66960), (5952, 65610), (6480, 60264), (6561, 59520), (6696, 58320), (7290, 53568), (7440, 52488), (7533, 51840), (7776, 50220), (8370, 46656), (8640, 45198), (8748, 44640), (8928, 43740), (9720, 40176), (9920, 39366), (10044, 38880), (10368, 37665), (10935, 35712), (11160, 34992), (11664, 33480), (11904, 32805), (12555, 31104), (12960, 30132), (13122, 29760), (13392, 29160), (14580, 26784), (14880, 26244), (15066, 25920), (15552, 25110), (16740, 23328), (17280, 22599), (17496, 22320), (17856, 21870), (19440, 20088), (19683, 19840)]