78982400

素因数分解:

$2^8\times 5^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1$

素因数の和:117

約数の個数: 216

約数和(自身を含む): 234193344

約数和(自身を除く): 155210944

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 41, 43, 50, 56, 64, 70, 80, 82, 86, 100, 112, 128, 140, 160, 164, 172, 175, 200, 205, 215, 224, 256, 280, 287, 301, 320, 328, 344, 350, 400, 410, 430, 448, 560, 574, 602, 640, 656, 688, 700, 800, 820, 860, 896, 1025, 1075, 1120, 1148, 1204, 1280, 1312, 1376, 1400, 1435, 1505, 1600, 1640, 1720, 1763, 1792, 2050, 2150, 2240, 2296, 2408, 2624, 2752, 2800, 2870, 3010, 3200, 3280, 3440, 3526, 4100, 4300, 4480, 4592, 4816, 5248, 5504, 5600, 5740, 6020, 6400, 6560, 6880, 7052, 7175, 7525, 8200, 8600, 8815, 8960, 9184, 9632, 10496, 11008, 11200, 11480, 12040, 12341, 13120, 13760, 14104, 14350, 15050, 16400, 17200, 17630, 18368, 19264, 22400, 22960, 24080, 24682, 26240, 27520, 28208, 28700, 30100, 32800, 34400, 35260, 36736, 38528, 44075, 44800, 45920, 48160, 49364, 52480, 55040, 56416, 57400, 60200, 61705, 65600, 68800, 70520, 73472, 77056, 88150, 91840, 96320, 98728, 112832, 114800, 120400, 123410, 131200, 137600, 141040, 176300, 183680, 192640, 197456, 225664, 229600, 240800, 246820, 262400, 275200, 282080, 308525, 352600, 367360, 385280, 394912, 451328, 459200, 481600, 493640, 564160, 617050, 705200, 789824, 918400, 963200, 987280, 1128320, 1234100, 1410400, 1579648, 1836800, 1926400, 1974560, 2256640, 2468200, 2820800, 3159296, 3949120, 4936400, 5641600, 7898240, 9872800, 11283200, 15796480, 19745600, 39491200, 78982400]

約数ペア:

[(1, 78982400), (2, 39491200), (4, 19745600), (5, 15796480), (7, 11283200), (8, 9872800), (10, 7898240), (14, 5641600), (16, 4936400), (20, 3949120), (25, 3159296), (28, 2820800), (32, 2468200), (35, 2256640), (40, 1974560), (41, 1926400), (43, 1836800), (50, 1579648), (56, 1410400), (64, 1234100), (70, 1128320), (80, 987280), (82, 963200), (86, 918400), (100, 789824), (112, 705200), (128, 617050), (140, 564160), (160, 493640), (164, 481600), (172, 459200), (175, 451328), (200, 394912), (205, 385280), (215, 367360), (224, 352600), (256, 308525), (280, 282080), (287, 275200), (301, 262400), (320, 246820), (328, 240800), (344, 229600), (350, 225664), (400, 197456), (410, 192640), (430, 183680), (448, 176300), (560, 141040), (574, 137600), (602, 131200), (640, 123410), (656, 120400), (688, 114800), (700, 112832), (800, 98728), (820, 96320), (860, 91840), (896, 88150), (1025, 77056), (1075, 73472), (1120, 70520), (1148, 68800), (1204, 65600), (1280, 61705), (1312, 60200), (1376, 57400), (1400, 56416), (1435, 55040), (1505, 52480), (1600, 49364), (1640, 48160), (1720, 45920), (1763, 44800), (1792, 44075), (2050, 38528), (2150, 36736), (2240, 35260), (2296, 34400), (2408, 32800), (2624, 30100), (2752, 28700), (2800, 28208), (2870, 27520), (3010, 26240), (3200, 24682), (3280, 24080), (3440, 22960), (3526, 22400), (4100, 19264), (4300, 18368), (4480, 17630), (4592, 17200), (4816, 16400), (5248, 15050), (5504, 14350), (5600, 14104), (5740, 13760), (6020, 13120), (6400, 12341), (6560, 12040), (6880, 11480), (7052, 11200), (7175, 11008), (7525, 10496), (8200, 9632), (8600, 9184), (8815, 8960)]