81792720

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1993}}^1$

素因数の和:2034

約数の個数: 160

約数和(自身を含む): 296707200

約数和(自身を除く): 214914480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 27, 30, 36, 38, 40, 45, 48, 54, 57, 60, 72, 76, 80, 90, 95, 108, 114, 120, 135, 144, 152, 171, 180, 190, 216, 228, 240, 270, 285, 304, 342, 360, 380, 432, 456, 513, 540, 570, 684, 720, 760, 855, 912, 1026, 1080, 1140, 1368, 1520, 1710, 1993, 2052, 2160, 2280, 2565, 2736, 3420, 3986, 4104, 4560, 5130, 5979, 6840, 7972, 8208, 9965, 10260, 11958, 13680, 15944, 17937, 19930, 20520, 23916, 29895, 31888, 35874, 37867, 39860, 41040, 47832, 53811, 59790, 71748, 75734, 79720, 89685, 95664, 107622, 113601, 119580, 143496, 151468, 159440, 179370, 189335, 215244, 227202, 239160, 269055, 286992, 302936, 340803, 358740, 378670, 430488, 454404, 478320, 538110, 568005, 605872, 681606, 717480, 757340, 860976, 908808, 1022409, 1076220, 1136010, 1363212, 1434960, 1514680, 1704015, 1817616, 2044818, 2152440, 2272020, 2726424, 3029360, 3408030, 4089636, 4304880, 4544040, 5112045, 5452848, 6816060, 8179272, 9088080, 10224090, 13632120, 16358544, 20448180, 27264240, 40896360, 81792720]

約数ペア:

[(1, 81792720), (2, 40896360), (3, 27264240), (4, 20448180), (5, 16358544), (6, 13632120), (8, 10224090), (9, 9088080), (10, 8179272), (12, 6816060), (15, 5452848), (16, 5112045), (18, 4544040), (19, 4304880), (20, 4089636), (24, 3408030), (27, 3029360), (30, 2726424), (36, 2272020), (38, 2152440), (40, 2044818), (45, 1817616), (48, 1704015), (54, 1514680), (57, 1434960), (60, 1363212), (72, 1136010), (76, 1076220), (80, 1022409), (90, 908808), (95, 860976), (108, 757340), (114, 717480), (120, 681606), (135, 605872), (144, 568005), (152, 538110), (171, 478320), (180, 454404), (190, 430488), (216, 378670), (228, 358740), (240, 340803), (270, 302936), (285, 286992), (304, 269055), (342, 239160), (360, 227202), (380, 215244), (432, 189335), (456, 179370), (513, 159440), (540, 151468), (570, 143496), (684, 119580), (720, 113601), (760, 107622), (855, 95664), (912, 89685), (1026, 79720), (1080, 75734), (1140, 71748), (1368, 59790), (1520, 53811), (1710, 47832), (1993, 41040), (2052, 39860), (2160, 37867), (2280, 35874), (2565, 31888), (2736, 29895), (3420, 23916), (3986, 20520), (4104, 19930), (4560, 17937), (5130, 15944), (5979, 13680), (6840, 11958), (7972, 10260), (8208, 9965)]