81555540720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1987}}^1\times {\mathrm{9001}}^1$

素因数の和:11023

約数の個数: 160

約数和(自身を含む): 266292122880

約数和(自身を除く): 184736582160

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, 228, 240, 285, 304, 380, 456, 570, 760, 912, 1140, 1520, 1987, 2280, 3974, 4560, 5961, 7948, 9001, 9935, 11922, 15896, 18002, 19870, 23844, 27003, 29805, 31792, 36004, 37753, 39740, 45005, 47688, 54006, 59610, 72008, 75506, 79480, 90010, 95376, 108012, 113259, 119220, 135015, 144016, 151012, 158960, 171019, 180020, 188765, 216024, 226518, 238440, 270030, 302024, 342038, 360040, 377530, 432048, 453036, 476880, 513057, 540060, 566295, 604048, 684076, 720080, 755060, 855095, 906072, 1026114, 1080120, 1132590, 1368152, 1510120, 1710190, 1812144, 2052228, 2160240, 2265180, 2565285, 2736304, 3020240, 3420380, 4104456, 4530360, 5130570, 6840760, 8208912, 9060720, 10261140, 13681520, 17884987, 20522280, 35769974, 41044560, 53654961, 71539948, 89424935, 107309922, 143079896, 178849870, 214619844, 268274805, 286159792, 339814753, 357699740, 429239688, 536549610, 679629506, 715399480, 858479376, 1019444259, 1073099220, 1359259012, 1430798960, 1699073765, 2038888518, 2146198440, 2718518024, 3398147530, 4077777036, 4292396880, 5097221295, 5437036048, 6796295060, 8155554072, 10194442590, 13592590120, 16311108144, 20388885180, 27185180240, 40777770360, 81555540720]

約数ペア:

[(1, 81555540720), (2, 40777770360), (3, 27185180240), (4, 20388885180), (5, 16311108144), (6, 13592590120), (8, 10194442590), (10, 8155554072), (12, 6796295060), (15, 5437036048), (16, 5097221295), (19, 4292396880), (20, 4077777036), (24, 3398147530), (30, 2718518024), (38, 2146198440), (40, 2038888518), (48, 1699073765), (57, 1430798960), (60, 1359259012), (76, 1073099220), (80, 1019444259), (95, 858479376), (114, 715399480), (120, 679629506), (152, 536549610), (190, 429239688), (228, 357699740), (240, 339814753), (285, 286159792), (304, 268274805), (380, 214619844), (456, 178849870), (570, 143079896), (760, 107309922), (912, 89424935), (1140, 71539948), (1520, 53654961), (1987, 41044560), (2280, 35769974), (3974, 20522280), (4560, 17884987), (5961, 13681520), (7948, 10261140), (9001, 9060720), (9935, 8208912), (11922, 6840760), (15896, 5130570), (18002, 4530360), (19870, 4104456), (23844, 3420380), (27003, 3020240), (29805, 2736304), (31792, 2565285), (36004, 2265180), (37753, 2160240), (39740, 2052228), (45005, 1812144), (47688, 1710190), (54006, 1510120), (59610, 1368152), (72008, 1132590), (75506, 1080120), (79480, 1026114), (90010, 906072), (95376, 855095), (108012, 755060), (113259, 720080), (119220, 684076), (135015, 604048), (144016, 566295), (151012, 540060), (158960, 513057), (171019, 476880), (180020, 453036), (188765, 432048), (216024, 377530), (226518, 360040), (238440, 342038), (270030, 302024)]