78071760

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{439}}^1$

素因数の和:490

約数の個数: 240

約数和(自身を含む): 297897600

約数和(自身を除く): 219825840

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 19, 20, 24, 26, 30, 36, 38, 39, 40, 45, 48, 52, 57, 60, 65, 72, 76, 78, 80, 90, 95, 104, 114, 117, 120, 130, 144, 152, 156, 171, 180, 190, 195, 208, 228, 234, 240, 247, 260, 285, 304, 312, 342, 360, 380, 390, 439, 456, 468, 494, 520, 570, 585, 624, 684, 720, 741, 760, 780, 855, 878, 912, 936, 988, 1040, 1140, 1170, 1235, 1317, 1368, 1482, 1520, 1560, 1710, 1756, 1872, 1976, 2195, 2223, 2280, 2340, 2470, 2634, 2736, 2964, 3120, 3420, 3512, 3705, 3951, 3952, 4390, 4446, 4560, 4680, 4940, 5268, 5707, 5928, 6585, 6840, 7024, 7410, 7902, 8341, 8780, 8892, 9360, 9880, 10536, 11115, 11414, 11856, 13170, 13680, 14820, 15804, 16682, 17121, 17560, 17784, 19755, 19760, 21072, 22230, 22828, 25023, 26340, 28535, 29640, 31608, 33364, 34242, 35120, 35568, 39510, 41705, 44460, 45656, 50046, 51363, 52680, 57070, 59280, 63216, 66728, 68484, 75069, 79020, 83410, 85605, 88920, 91312, 100092, 102726, 105360, 108433, 114140, 125115, 133456, 136968, 150138, 158040, 166820, 171210, 177840, 200184, 205452, 216866, 228280, 250230, 256815, 273936, 300276, 316080, 325299, 333640, 342420, 375345, 400368, 410904, 433732, 456560, 500460, 513630, 542165, 600552, 650598, 667280, 684840, 750690, 821808, 867464, 975897, 1000920, 1027260, 1084330, 1201104, 1301196, 1369680, 1501380, 1626495, 1734928, 1951794, 2001840, 2054520, 2168660, 2602392, 3002760, 3252990, 3903588, 4109040, 4337320, 4879485, 5204784, 6005520, 6505980, 7807176, 8674640, 9758970, 13011960, 15614352, 19517940, 26023920, 39035880, 78071760]

約数ペア:

[(1, 78071760), (2, 39035880), (3, 26023920), (4, 19517940), (5, 15614352), (6, 13011960), (8, 9758970), (9, 8674640), (10, 7807176), (12, 6505980), (13, 6005520), (15, 5204784), (16, 4879485), (18, 4337320), (19, 4109040), (20, 3903588), (24, 3252990), (26, 3002760), (30, 2602392), (36, 2168660), (38, 2054520), (39, 2001840), (40, 1951794), (45, 1734928), (48, 1626495), (52, 1501380), (57, 1369680), (60, 1301196), (65, 1201104), (72, 1084330), (76, 1027260), (78, 1000920), (80, 975897), (90, 867464), (95, 821808), (104, 750690), (114, 684840), (117, 667280), (120, 650598), (130, 600552), (144, 542165), (152, 513630), (156, 500460), (171, 456560), (180, 433732), (190, 410904), (195, 400368), (208, 375345), (228, 342420), (234, 333640), (240, 325299), (247, 316080), (260, 300276), (285, 273936), (304, 256815), (312, 250230), (342, 228280), (360, 216866), (380, 205452), (390, 200184), (439, 177840), (456, 171210), (468, 166820), (494, 158040), (520, 150138), (570, 136968), (585, 133456), (624, 125115), (684, 114140), (720, 108433), (741, 105360), (760, 102726), (780, 100092), (855, 91312), (878, 88920), (912, 85605), (936, 83410), (988, 79020), (1040, 75069), (1140, 68484), (1170, 66728), (1235, 63216), (1317, 59280), (1368, 57070), (1482, 52680), (1520, 51363), (1560, 50046), (1710, 45656), (1756, 44460), (1872, 41705), (1976, 39510), (2195, 35568), (2223, 35120), (2280, 34242), (2340, 33364), (2470, 31608), (2634, 29640), (2736, 28535), (2964, 26340), (3120, 25023), (3420, 22828), (3512, 22230), (3705, 21072), (3951, 19760), (3952, 19755), (4390, 17784), (4446, 17560), (4560, 17121), (4680, 16682), (4940, 15804), (5268, 14820), (5707, 13680), (5928, 13170), (6585, 11856), (6840, 11414), (7024, 11115), (7410, 10536), (7902, 9880), (8341, 9360), (8780, 8892)]