78217680

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1009}}^1$

素因数の和:1061

約数の個数: 160

約数和(自身を含む): 270518400

約数和(自身を除く): 192300720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 19, 20, 24, 30, 34, 38, 40, 48, 51, 57, 60, 68, 76, 80, 85, 95, 102, 114, 120, 136, 152, 170, 190, 204, 228, 240, 255, 272, 285, 304, 323, 340, 380, 408, 456, 510, 570, 646, 680, 760, 816, 912, 969, 1009, 1020, 1140, 1292, 1360, 1520, 1615, 1938, 2018, 2040, 2280, 2584, 3027, 3230, 3876, 4036, 4080, 4560, 4845, 5045, 5168, 6054, 6460, 7752, 8072, 9690, 10090, 12108, 12920, 15135, 15504, 16144, 17153, 19171, 19380, 20180, 24216, 25840, 30270, 34306, 38342, 38760, 40360, 48432, 51459, 57513, 60540, 68612, 76684, 77520, 80720, 85765, 95855, 102918, 115026, 121080, 137224, 153368, 171530, 191710, 205836, 230052, 242160, 257295, 274448, 287565, 306736, 325907, 343060, 383420, 411672, 460104, 514590, 575130, 651814, 686120, 766840, 823344, 920208, 977721, 1029180, 1150260, 1303628, 1372240, 1533680, 1629535, 1955442, 2058360, 2300520, 2607256, 3259070, 3910884, 4116720, 4601040, 4888605, 5214512, 6518140, 7821768, 9777210, 13036280, 15643536, 19554420, 26072560, 39108840, 78217680]

約数ペア:

[(1, 78217680), (2, 39108840), (3, 26072560), (4, 19554420), (5, 15643536), (6, 13036280), (8, 9777210), (10, 7821768), (12, 6518140), (15, 5214512), (16, 4888605), (17, 4601040), (19, 4116720), (20, 3910884), (24, 3259070), (30, 2607256), (34, 2300520), (38, 2058360), (40, 1955442), (48, 1629535), (51, 1533680), (57, 1372240), (60, 1303628), (68, 1150260), (76, 1029180), (80, 977721), (85, 920208), (95, 823344), (102, 766840), (114, 686120), (120, 651814), (136, 575130), (152, 514590), (170, 460104), (190, 411672), (204, 383420), (228, 343060), (240, 325907), (255, 306736), (272, 287565), (285, 274448), (304, 257295), (323, 242160), (340, 230052), (380, 205836), (408, 191710), (456, 171530), (510, 153368), (570, 137224), (646, 121080), (680, 115026), (760, 102918), (816, 95855), (912, 85765), (969, 80720), (1009, 77520), (1020, 76684), (1140, 68612), (1292, 60540), (1360, 57513), (1520, 51459), (1615, 48432), (1938, 40360), (2018, 38760), (2040, 38342), (2280, 34306), (2584, 30270), (3027, 25840), (3230, 24216), (3876, 20180), (4036, 19380), (4080, 19171), (4560, 17153), (4845, 16144), (5045, 15504), (5168, 15135), (6054, 12920), (6460, 12108), (7752, 10090), (8072, 9690)]