307440

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{61}}^1$

素因数の和:87

約数の個数: 120

約数和(自身を含む): 1199328

約数和(自身を除く): 891888

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 56, 60, 61, 63, 70, 72, 80, 84, 90, 105, 112, 120, 122, 126, 140, 144, 168, 180, 183, 210, 240, 244, 252, 280, 305, 315, 336, 360, 366, 420, 427, 488, 504, 549, 560, 610, 630, 720, 732, 840, 854, 915, 976, 1008, 1098, 1220, 1260, 1281, 1464, 1680, 1708, 1830, 2135, 2196, 2440, 2520, 2562, 2745, 2928, 3416, 3660, 3843, 4270, 4392, 4880, 5040, 5124, 5490, 6405, 6832, 7320, 7686, 8540, 8784, 10248, 10980, 12810, 14640, 15372, 17080, 19215, 20496, 21960, 25620, 30744, 34160, 38430, 43920, 51240, 61488, 76860, 102480, 153720, 307440]

約数ペア:

[(1, 307440), (2, 153720), (3, 102480), (4, 76860), (5, 61488), (6, 51240), (7, 43920), (8, 38430), (9, 34160), (10, 30744), (12, 25620), (14, 21960), (15, 20496), (16, 19215), (18, 17080), (20, 15372), (21, 14640), (24, 12810), (28, 10980), (30, 10248), (35, 8784), (36, 8540), (40, 7686), (42, 7320), (45, 6832), (48, 6405), (56, 5490), (60, 5124), (61, 5040), (63, 4880), (70, 4392), (72, 4270), (80, 3843), (84, 3660), (90, 3416), (105, 2928), (112, 2745), (120, 2562), (122, 2520), (126, 2440), (140, 2196), (144, 2135), (168, 1830), (180, 1708), (183, 1680), (210, 1464), (240, 1281), (244, 1260), (252, 1220), (280, 1098), (305, 1008), (315, 976), (336, 915), (360, 854), (366, 840), (420, 732), (427, 720), (488, 630), (504, 610), (549, 560)]