217156789680

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{227}}^1\times {\mathrm{209789}}^1$

素因数の和:210051

約数の個数: 160

約数和(自身を含む): 711741945600

約数和(自身を除く): 494585155920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 38, 40, 48, 57, 60, 76, 80, 95, 114, 120, 152, 190, 227, 228, 240, 285, 304, 380, 454, 456, 570, 681, 760, 908, 912, 1135, 1140, 1362, 1520, 1816, 2270, 2280, 2724, 3405, 3632, 4313, 4540, 4560, 5448, 6810, 8626, 9080, 10896, 12939, 13620, 17252, 18160, 21565, 25878, 27240, 34504, 43130, 51756, 54480, 64695, 69008, 86260, 103512, 129390, 172520, 207024, 209789, 258780, 345040, 419578, 517560, 629367, 839156, 1035120, 1048945, 1258734, 1678312, 2097890, 2517468, 3146835, 3356624, 3985991, 4195780, 5034936, 6293670, 7971982, 8391560, 10069872, 11957973, 12587340, 15943964, 16783120, 19929955, 23915946, 25174680, 31887928, 39859910, 47622103, 47831892, 50349360, 59789865, 63775856, 79719820, 95244206, 95663784, 119579730, 142866309, 159439640, 190488412, 191327568, 238110515, 239159460, 285732618, 318879280, 380976824, 476221030, 478318920, 571465236, 714331545, 761953648, 904819957, 952442060, 956637840, 1142930472, 1428663090, 1809639914, 1904884120, 2285860944, 2714459871, 2857326180, 3619279828, 3809768240, 4524099785, 5428919742, 5714652360, 7238559656, 9048199570, 10857839484, 11429304720, 13572299355, 14477119312, 18096399140, 21715678968, 27144598710, 36192798280, 43431357936, 54289197420, 72385596560, 108578394840, 217156789680]

約数ペア:

[(1, 217156789680), (2, 108578394840), (3, 72385596560), (4, 54289197420), (5, 43431357936), (6, 36192798280), (8, 27144598710), (10, 21715678968), (12, 18096399140), (15, 14477119312), (16, 13572299355), (19, 11429304720), (20, 10857839484), (24, 9048199570), (30, 7238559656), (38, 5714652360), (40, 5428919742), (48, 4524099785), (57, 3809768240), (60, 3619279828), (76, 2857326180), (80, 2714459871), (95, 2285860944), (114, 1904884120), (120, 1809639914), (152, 1428663090), (190, 1142930472), (227, 956637840), (228, 952442060), (240, 904819957), (285, 761953648), (304, 714331545), (380, 571465236), (454, 478318920), (456, 476221030), (570, 380976824), (681, 318879280), (760, 285732618), (908, 239159460), (912, 238110515), (1135, 191327568), (1140, 190488412), (1362, 159439640), (1520, 142866309), (1816, 119579730), (2270, 95663784), (2280, 95244206), (2724, 79719820), (3405, 63775856), (3632, 59789865), (4313, 50349360), (4540, 47831892), (4560, 47622103), (5448, 39859910), (6810, 31887928), (8626, 25174680), (9080, 23915946), (10896, 19929955), (12939, 16783120), (13620, 15943964), (17252, 12587340), (18160, 11957973), (21565, 10069872), (25878, 8391560), (27240, 7971982), (34504, 6293670), (43130, 5034936), (51756, 4195780), (54480, 3985991), (64695, 3356624), (69008, 3146835), (86260, 2517468), (103512, 2097890), (129390, 1678312), (172520, 1258734), (207024, 1048945), (209789, 1035120), (258780, 839156), (345040, 629367), (419578, 517560)]