20740986720

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{557}}^1\times {\mathrm{1361}}^1$

素因数の和:1958

約数の個数: 288

約数和(自身を含む): 74692406880

約数和(自身を除く): 53951420160

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 30, 32, 36, 38, 40, 45, 48, 57, 60, 72, 76, 80, 90, 95, 96, 114, 120, 144, 152, 160, 171, 180, 190, 228, 240, 285, 288, 304, 342, 360, 380, 456, 480, 557, 570, 608, 684, 720, 760, 855, 912, 1114, 1140, 1361, 1368, 1440, 1520, 1671, 1710, 1824, 2228, 2280, 2722, 2736, 2785, 3040, 3342, 3420, 4083, 4456, 4560, 5013, 5444, 5472, 5570, 6684, 6805, 6840, 8166, 8355, 8912, 9120, 10026, 10583, 10888, 11140, 12249, 13368, 13610, 13680, 16332, 16710, 17824, 20052, 20415, 21166, 21776, 22280, 24498, 25065, 25859, 26736, 27220, 27360, 31749, 32664, 33420, 40104, 40830, 42332, 43552, 44560, 48996, 50130, 51718, 52915, 53472, 54440, 61245, 63498, 65328, 66840, 77577, 80208, 81660, 84664, 89120, 95247, 97992, 100260, 103436, 105830, 108880, 122490, 126996, 129295, 130656, 133680, 155154, 158745, 160416, 163320, 169328, 190494, 195984, 200520, 206872, 211660, 217760, 232731, 244980, 253992, 258590, 267360, 310308, 317490, 326640, 338656, 380988, 387885, 391968, 401040, 413744, 423320, 465462, 476235, 489960, 507984, 517180, 620616, 634980, 653280, 758077, 761976, 775770, 802080, 827488, 846640, 930924, 952470, 979920, 1015968, 1034360, 1163655, 1241232, 1269960, 1516154, 1523952, 1551540, 1693280, 1861848, 1904940, 1959840, 2068720, 2274231, 2327310, 2482464, 2539920, 3032308, 3047904, 3103080, 3723696, 3790385, 3809880, 4137440, 4548462, 4654620, 5079840, 6064616, 6206160, 6822693, 7447392, 7580770, 7619760, 9096924, 9309240, 11371155, 12129232, 12412320, 13645386, 14403463, 15161540, 15239520, 18193848, 18618480, 22742310, 24258464, 27290772, 28806926, 30323080, 34113465, 36387696, 37236960, 43210389, 45484620, 54581544, 57613852, 60646160, 68226930, 72017315, 72775392, 86420778, 90969240, 109163088, 115227704, 121292320, 129631167, 136453860, 144034630, 172841556, 181938480, 216051945, 218326176, 230455408, 259262334, 272907720, 288069260, 345683112, 363876960, 432103890, 460910816, 518524668, 545815440, 576138520, 648155835, 691366224, 864207780, 1037049336, 1091630880, 1152277040, 1296311670, 1382732448, 1728415560, 2074098672, 2304554080, 2592623340, 3456831120, 4148197344, 5185246680, 6913662240, 10370493360, 20740986720]

約数ペア:

[(1, 20740986720), (2, 10370493360), (3, 6913662240), (4, 5185246680), (5, 4148197344), (6, 3456831120), (8, 2592623340), (9, 2304554080), (10, 2074098672), (12, 1728415560), (15, 1382732448), (16, 1296311670), (18, 1152277040), (19, 1091630880), (20, 1037049336), (24, 864207780), (30, 691366224), (32, 648155835), (36, 576138520), (38, 545815440), (40, 518524668), (45, 460910816), (48, 432103890), (57, 363876960), (60, 345683112), (72, 288069260), (76, 272907720), (80, 259262334), (90, 230455408), (95, 218326176), (96, 216051945), (114, 181938480), (120, 172841556), (144, 144034630), (152, 136453860), (160, 129631167), (171, 121292320), (180, 115227704), (190, 109163088), (228, 90969240), (240, 86420778), (285, 72775392), (288, 72017315), (304, 68226930), (342, 60646160), (360, 57613852), (380, 54581544), (456, 45484620), (480, 43210389), (557, 37236960), (570, 36387696), (608, 34113465), (684, 30323080), (720, 28806926), (760, 27290772), (855, 24258464), (912, 22742310), (1114, 18618480), (1140, 18193848), (1361, 15239520), (1368, 15161540), (1440, 14403463), (1520, 13645386), (1671, 12412320), (1710, 12129232), (1824, 11371155), (2228, 9309240), (2280, 9096924), (2722, 7619760), (2736, 7580770), (2785, 7447392), (3040, 6822693), (3342, 6206160), (3420, 6064616), (4083, 5079840), (4456, 4654620), (4560, 4548462), (5013, 4137440), (5444, 3809880), (5472, 3790385), (5570, 3723696), (6684, 3103080), (6805, 3047904), (6840, 3032308), (8166, 2539920), (8355, 2482464), (8912, 2327310), (9120, 2274231), (10026, 2068720), (10583, 1959840), (10888, 1904940), (11140, 1861848), (12249, 1693280), (13368, 1551540), (13610, 1523952), (13680, 1516154), (16332, 1269960), (16710, 1241232), (17824, 1163655), (20052, 1034360), (20415, 1015968), (21166, 979920), (21776, 952470), (22280, 930924), (24498, 846640), (25065, 827488), (25859, 802080), (26736, 775770), (27220, 761976), (27360, 758077), (31749, 653280), (32664, 634980), (33420, 620616), (40104, 517180), (40830, 507984), (42332, 489960), (43552, 476235), (44560, 465462), (48996, 423320), (50130, 413744), (51718, 401040), (52915, 391968), (53472, 387885), (54440, 380988), (61245, 338656), (63498, 326640), (65328, 317490), (66840, 310308), (77577, 267360), (80208, 258590), (81660, 253992), (84664, 244980), (89120, 232731), (95247, 217760), (97992, 211660), (100260, 206872), (103436, 200520), (105830, 195984), (108880, 190494), (122490, 169328), (126996, 163320), (129295, 160416), (130656, 158745), (133680, 155154)]