262400000080

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{757}}^1\times {\mathrm{2351}}^1$

素因数の和:3237

約数の個数: 160

約数和(自身を含む): 649943400960

約数和(自身を除く): 387543400880

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 97, 152, 190, 194, 304, 380, 388, 485, 757, 760, 776, 970, 1514, 1520, 1552, 1843, 1940, 2351, 3028, 3686, 3785, 3880, 4702, 6056, 7372, 7570, 7760, 9215, 9404, 11755, 12112, 14383, 14744, 15140, 18430, 18808, 23510, 28766, 29488, 30280, 36860, 37616, 44669, 47020, 57532, 60560, 71915, 73429, 73720, 89338, 94040, 115064, 143830, 146858, 147440, 178676, 188080, 223345, 228047, 230128, 287660, 293716, 357352, 367145, 446690, 456094, 575320, 587432, 714704, 734290, 893380, 912188, 1140235, 1150640, 1174864, 1395151, 1468580, 1779707, 1786760, 1824376, 2280470, 2790302, 2937160, 3559414, 3573520, 3648752, 4332893, 4560940, 5580604, 5874320, 6975755, 7118828, 8665786, 8898535, 9121880, 11161208, 13951510, 14237656, 17331572, 17797070, 18243760, 21664465, 22322416, 27903020, 28475312, 33814433, 34663144, 35594140, 43328930, 55806040, 67628866, 69326288, 71188280, 86657860, 111612080, 135257732, 142376560, 169072165, 172631579, 173315720, 270515464, 338144330, 345263158, 346631440, 541030928, 676288660, 690526316, 863157895, 1352577320, 1381052632, 1726315790, 2705154640, 2762105264, 3280000001, 3452631580, 6560000002, 6905263160, 13120000004, 13810526320, 16400000005, 26240000008, 32800000010, 52480000016, 65600000020, 131200000040, 262400000080]

約数ペア:

[(1, 262400000080), (2, 131200000040), (4, 65600000020), (5, 52480000016), (8, 32800000010), (10, 26240000008), (16, 16400000005), (19, 13810526320), (20, 13120000004), (38, 6905263160), (40, 6560000002), (76, 3452631580), (80, 3280000001), (95, 2762105264), (97, 2705154640), (152, 1726315790), (190, 1381052632), (194, 1352577320), (304, 863157895), (380, 690526316), (388, 676288660), (485, 541030928), (757, 346631440), (760, 345263158), (776, 338144330), (970, 270515464), (1514, 173315720), (1520, 172631579), (1552, 169072165), (1843, 142376560), (1940, 135257732), (2351, 111612080), (3028, 86657860), (3686, 71188280), (3785, 69326288), (3880, 67628866), (4702, 55806040), (6056, 43328930), (7372, 35594140), (7570, 34663144), (7760, 33814433), (9215, 28475312), (9404, 27903020), (11755, 22322416), (12112, 21664465), (14383, 18243760), (14744, 17797070), (15140, 17331572), (18430, 14237656), (18808, 13951510), (23510, 11161208), (28766, 9121880), (29488, 8898535), (30280, 8665786), (36860, 7118828), (37616, 6975755), (44669, 5874320), (47020, 5580604), (57532, 4560940), (60560, 4332893), (71915, 3648752), (73429, 3573520), (73720, 3559414), (89338, 2937160), (94040, 2790302), (115064, 2280470), (143830, 1824376), (146858, 1786760), (147440, 1779707), (178676, 1468580), (188080, 1395151), (223345, 1174864), (228047, 1150640), (230128, 1140235), (287660, 912188), (293716, 893380), (357352, 734290), (367145, 714704), (446690, 587432), (456094, 575320)]