20346461880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1861}}^1\times {\mathrm{2939}}^1$

素因数の和:4845

約数の個数: 128

約数和(自身を含む): 63063705600

約数和(自身を除く): 42717243720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 31, 40, 60, 62, 93, 120, 124, 155, 186, 248, 310, 372, 465, 620, 744, 930, 1240, 1860, 1861, 2939, 3720, 3722, 5583, 5878, 7444, 8817, 9305, 11166, 11756, 14695, 14888, 17634, 18610, 22332, 23512, 27915, 29390, 35268, 37220, 44085, 44664, 55830, 57691, 58780, 70536, 74440, 88170, 91109, 111660, 115382, 117560, 173073, 176340, 182218, 223320, 230764, 273327, 288455, 346146, 352680, 364436, 455545, 461528, 546654, 576910, 692292, 728872, 865365, 911090, 1093308, 1153820, 1366635, 1384584, 1730730, 1822180, 2186616, 2307640, 2733270, 3461460, 3644360, 5466540, 5469479, 6922920, 10933080, 10938958, 16408437, 21877916, 27347395, 32816874, 43755832, 54694790, 65633748, 82042185, 109389580, 131267496, 164084370, 169553849, 218779160, 328168740, 339107698, 508661547, 656337480, 678215396, 847769245, 1017323094, 1356430792, 1695538490, 2034646188, 2543307735, 3391076980, 4069292376, 5086615470, 6782153960, 10173230940, 20346461880]

約数ペア:

[(1, 20346461880), (2, 10173230940), (3, 6782153960), (4, 5086615470), (5, 4069292376), (6, 3391076980), (8, 2543307735), (10, 2034646188), (12, 1695538490), (15, 1356430792), (20, 1017323094), (24, 847769245), (30, 678215396), (31, 656337480), (40, 508661547), (60, 339107698), (62, 328168740), (93, 218779160), (120, 169553849), (124, 164084370), (155, 131267496), (186, 109389580), (248, 82042185), (310, 65633748), (372, 54694790), (465, 43755832), (620, 32816874), (744, 27347395), (930, 21877916), (1240, 16408437), (1860, 10938958), (1861, 10933080), (2939, 6922920), (3720, 5469479), (3722, 5466540), (5583, 3644360), (5878, 3461460), (7444, 2733270), (8817, 2307640), (9305, 2186616), (11166, 1822180), (11756, 1730730), (14695, 1384584), (14888, 1366635), (17634, 1153820), (18610, 1093308), (22332, 911090), (23512, 865365), (27915, 728872), (29390, 692292), (35268, 576910), (37220, 546654), (44085, 461528), (44664, 455545), (55830, 364436), (57691, 352680), (58780, 346146), (70536, 288455), (74440, 273327), (88170, 230764), (91109, 223320), (111660, 182218), (115382, 176340), (117560, 173073)]