1968648120

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{157}}^1\times {\mathrm{571}}^1$

素因数の和:806

約数の個数: 192

約数和(自身を含む): 6555875040

約数和(自身を除く): 4587226920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 61, 72, 90, 120, 122, 157, 180, 183, 244, 305, 314, 360, 366, 471, 488, 549, 571, 610, 628, 732, 785, 915, 942, 1098, 1142, 1220, 1256, 1413, 1464, 1570, 1713, 1830, 1884, 2196, 2284, 2355, 2440, 2745, 2826, 2855, 3140, 3426, 3660, 3768, 4392, 4568, 4710, 5139, 5490, 5652, 5710, 6280, 6852, 7065, 7320, 8565, 9420, 9577, 10278, 10980, 11304, 11420, 13704, 14130, 17130, 18840, 19154, 20556, 21960, 22840, 25695, 28260, 28731, 34260, 34831, 38308, 41112, 47885, 51390, 56520, 57462, 68520, 69662, 76616, 86193, 89647, 95770, 102780, 104493, 114924, 139324, 143655, 172386, 174155, 179294, 191540, 205560, 208986, 229848, 268941, 278648, 287310, 313479, 344772, 348310, 358588, 383080, 417972, 430965, 448235, 522465, 537882, 574620, 626958, 689544, 696620, 717176, 806823, 835944, 861930, 896470, 1044930, 1075764, 1149240, 1253916, 1344705, 1393240, 1567395, 1613646, 1723860, 1792940, 2089860, 2151528, 2507832, 2689410, 3134790, 3227292, 3447720, 3585880, 4034115, 4179720, 5378820, 5468467, 6269580, 6454584, 8068230, 10757640, 10936934, 12539160, 16136460, 16405401, 21873868, 27342335, 32272920, 32810802, 43747736, 49216203, 54684670, 65621604, 82027005, 98432406, 109369340, 131243208, 164054010, 196864812, 218738680, 246081015, 328108020, 393729624, 492162030, 656216040, 984324060, 1968648120]

約数ペア:

[(1, 1968648120), (2, 984324060), (3, 656216040), (4, 492162030), (5, 393729624), (6, 328108020), (8, 246081015), (9, 218738680), (10, 196864812), (12, 164054010), (15, 131243208), (18, 109369340), (20, 98432406), (24, 82027005), (30, 65621604), (36, 54684670), (40, 49216203), (45, 43747736), (60, 32810802), (61, 32272920), (72, 27342335), (90, 21873868), (120, 16405401), (122, 16136460), (157, 12539160), (180, 10936934), (183, 10757640), (244, 8068230), (305, 6454584), (314, 6269580), (360, 5468467), (366, 5378820), (471, 4179720), (488, 4034115), (549, 3585880), (571, 3447720), (610, 3227292), (628, 3134790), (732, 2689410), (785, 2507832), (915, 2151528), (942, 2089860), (1098, 1792940), (1142, 1723860), (1220, 1613646), (1256, 1567395), (1413, 1393240), (1464, 1344705), (1570, 1253916), (1713, 1149240), (1830, 1075764), (1884, 1044930), (2196, 896470), (2284, 861930), (2355, 835944), (2440, 806823), (2745, 717176), (2826, 696620), (2855, 689544), (3140, 626958), (3426, 574620), (3660, 537882), (3768, 522465), (4392, 448235), (4568, 430965), (4710, 417972), (5139, 383080), (5490, 358588), (5652, 348310), (5710, 344772), (6280, 313479), (6852, 287310), (7065, 278648), (7320, 268941), (8565, 229848), (9420, 208986), (9577, 205560), (10278, 191540), (10980, 179294), (11304, 174155), (11420, 172386), (13704, 143655), (14130, 139324), (17130, 114924), (18840, 104493), (19154, 102780), (20556, 95770), (21960, 89647), (22840, 86193), (25695, 76616), (28260, 69662), (28731, 68520), (34260, 57462), (34831, 56520), (38308, 51390), (41112, 47885)]