78125880

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{5471}}^1$

素因数の和:5509

約数の個数: 128

約数和(自身を含む): 283668480

約数和(自身を除く): 205542600

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 17, 20, 21, 24, 28, 30, 34, 35, 40, 42, 51, 56, 60, 68, 70, 84, 85, 102, 105, 119, 120, 136, 140, 168, 170, 204, 210, 238, 255, 280, 340, 357, 408, 420, 476, 510, 595, 680, 714, 840, 952, 1020, 1190, 1428, 1785, 2040, 2380, 2856, 3570, 4760, 5471, 7140, 10942, 14280, 16413, 21884, 27355, 32826, 38297, 43768, 54710, 65652, 76594, 82065, 93007, 109420, 114891, 131304, 153188, 164130, 186014, 191485, 218840, 229782, 279021, 306376, 328260, 372028, 382970, 459564, 465035, 558042, 574455, 651049, 656520, 744056, 765940, 919128, 930070, 1116084, 1148910, 1302098, 1395105, 1531880, 1860140, 1953147, 2232168, 2297820, 2604196, 2790210, 3255245, 3720280, 3906294, 4595640, 5208392, 5580420, 6510490, 7812588, 9765735, 11160840, 13020980, 15625176, 19531470, 26041960, 39062940, 78125880]

約数ペア:

[(1, 78125880), (2, 39062940), (3, 26041960), (4, 19531470), (5, 15625176), (6, 13020980), (7, 11160840), (8, 9765735), (10, 7812588), (12, 6510490), (14, 5580420), (15, 5208392), (17, 4595640), (20, 3906294), (21, 3720280), (24, 3255245), (28, 2790210), (30, 2604196), (34, 2297820), (35, 2232168), (40, 1953147), (42, 1860140), (51, 1531880), (56, 1395105), (60, 1302098), (68, 1148910), (70, 1116084), (84, 930070), (85, 919128), (102, 765940), (105, 744056), (119, 656520), (120, 651049), (136, 574455), (140, 558042), (168, 465035), (170, 459564), (204, 382970), (210, 372028), (238, 328260), (255, 306376), (280, 279021), (340, 229782), (357, 218840), (408, 191485), (420, 186014), (476, 164130), (510, 153188), (595, 131304), (680, 114891), (714, 109420), (840, 93007), (952, 82065), (1020, 76594), (1190, 65652), (1428, 54710), (1785, 43768), (2040, 38297), (2380, 32826), (2856, 27355), (3570, 21884), (4760, 16413), (5471, 14280), (7140, 10942)]