642172960

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{127}}^1$

素因数の和:196

約数の個数: 288

約数和(自身を含む): 1912522752

約数和(自身を除く): 1270349792

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 17, 20, 22, 26, 32, 34, 40, 44, 52, 55, 65, 68, 80, 85, 88, 104, 110, 127, 130, 136, 143, 160, 169, 170, 176, 187, 208, 220, 221, 254, 260, 272, 286, 338, 340, 352, 374, 416, 440, 442, 508, 520, 544, 572, 635, 676, 680, 715, 748, 845, 880, 884, 935, 1016, 1040, 1105, 1144, 1270, 1352, 1360, 1397, 1430, 1496, 1651, 1690, 1760, 1768, 1859, 1870, 2032, 2080, 2159, 2210, 2288, 2431, 2540, 2704, 2720, 2794, 2860, 2873, 2992, 3302, 3380, 3536, 3718, 3740, 4064, 4318, 4420, 4576, 4862, 5080, 5408, 5588, 5720, 5746, 5984, 6604, 6760, 6985, 7072, 7436, 7480, 8255, 8636, 8840, 9295, 9724, 10160, 10795, 11176, 11440, 11492, 12155, 13208, 13520, 13970, 14365, 14872, 14960, 16510, 17272, 17680, 18161, 18590, 19448, 20320, 21463, 21590, 22352, 22880, 22984, 23749, 24310, 26416, 27040, 27940, 28067, 28730, 29744, 29920, 31603, 33020, 34544, 35360, 36322, 37180, 38896, 42926, 43180, 44704, 45968, 47498, 48620, 52832, 55880, 56134, 57460, 59488, 63206, 66040, 69088, 72644, 74360, 77792, 85852, 86360, 90805, 91936, 94996, 97240, 107315, 111760, 112268, 114920, 118745, 126412, 132080, 140335, 145288, 148720, 158015, 171704, 172720, 181610, 189992, 194480, 214630, 223520, 224536, 229840, 236093, 237490, 252824, 264160, 280670, 290576, 297440, 308737, 316030, 343408, 345440, 363220, 364871, 379984, 388960, 429260, 449072, 459680, 472186, 474980, 505648, 561340, 581152, 617474, 632060, 686816, 726440, 729742, 759968, 858520, 898144, 944372, 949960, 1011296, 1122680, 1180465, 1234948, 1264120, 1452880, 1459484, 1543685, 1717040, 1824355, 1888744, 1899920, 2245360, 2360930, 2469896, 2528240, 2905760, 2918968, 3087370, 3434080, 3648710, 3777488, 3799840, 4013581, 4490720, 4721860, 4939792, 5056480, 5837936, 6174740, 7297420, 7554976, 8027162, 9443720, 9879584, 11675872, 12349480, 14594840, 16054324, 18887440, 20067905, 24698960, 29189680, 32108648, 37774880, 40135810, 49397920, 58379360, 64217296, 80271620, 128434592, 160543240, 321086480, 642172960]

約数ペア:

[(1, 642172960), (2, 321086480), (4, 160543240), (5, 128434592), (8, 80271620), (10, 64217296), (11, 58379360), (13, 49397920), (16, 40135810), (17, 37774880), (20, 32108648), (22, 29189680), (26, 24698960), (32, 20067905), (34, 18887440), (40, 16054324), (44, 14594840), (52, 12349480), (55, 11675872), (65, 9879584), (68, 9443720), (80, 8027162), (85, 7554976), (88, 7297420), (104, 6174740), (110, 5837936), (127, 5056480), (130, 4939792), (136, 4721860), (143, 4490720), (160, 4013581), (169, 3799840), (170, 3777488), (176, 3648710), (187, 3434080), (208, 3087370), (220, 2918968), (221, 2905760), (254, 2528240), (260, 2469896), (272, 2360930), (286, 2245360), (338, 1899920), (340, 1888744), (352, 1824355), (374, 1717040), (416, 1543685), (440, 1459484), (442, 1452880), (508, 1264120), (520, 1234948), (544, 1180465), (572, 1122680), (635, 1011296), (676, 949960), (680, 944372), (715, 898144), (748, 858520), (845, 759968), (880, 729742), (884, 726440), (935, 686816), (1016, 632060), (1040, 617474), (1105, 581152), (1144, 561340), (1270, 505648), (1352, 474980), (1360, 472186), (1397, 459680), (1430, 449072), (1496, 429260), (1651, 388960), (1690, 379984), (1760, 364871), (1768, 363220), (1859, 345440), (1870, 343408), (2032, 316030), (2080, 308737), (2159, 297440), (2210, 290576), (2288, 280670), (2431, 264160), (2540, 252824), (2704, 237490), (2720, 236093), (2794, 229840), (2860, 224536), (2873, 223520), (2992, 214630), (3302, 194480), (3380, 189992), (3536, 181610), (3718, 172720), (3740, 171704), (4064, 158015), (4318, 148720), (4420, 145288), (4576, 140335), (4862, 132080), (5080, 126412), (5408, 118745), (5588, 114920), (5720, 112268), (5746, 111760), (5984, 107315), (6604, 97240), (6760, 94996), (6985, 91936), (7072, 90805), (7436, 86360), (7480, 85852), (8255, 77792), (8636, 74360), (8840, 72644), (9295, 69088), (9724, 66040), (10160, 63206), (10795, 59488), (11176, 57460), (11440, 56134), (11492, 55880), (12155, 52832), (13208, 48620), (13520, 47498), (13970, 45968), (14365, 44704), (14872, 43180), (14960, 42926), (16510, 38896), (17272, 37180), (17680, 36322), (18161, 35360), (18590, 34544), (19448, 33020), (20320, 31603), (21463, 29920), (21590, 29744), (22352, 28730), (22880, 28067), (22984, 27940), (23749, 27040), (24310, 26416)]