8044680

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{157}}^1$

素因数の和:239

約数の個数: 128

約数和(自身を含む): 28212480

約数和(自身を除く): 20167800

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 61, 70, 84, 105, 120, 122, 140, 157, 168, 183, 210, 244, 280, 305, 314, 366, 420, 427, 471, 488, 610, 628, 732, 785, 840, 854, 915, 942, 1099, 1220, 1256, 1281, 1464, 1570, 1708, 1830, 1884, 2135, 2198, 2355, 2440, 2562, 3140, 3297, 3416, 3660, 3768, 4270, 4396, 4710, 5124, 5495, 6280, 6405, 6594, 7320, 8540, 8792, 9420, 9577, 10248, 10990, 12810, 13188, 16485, 17080, 18840, 19154, 21980, 25620, 26376, 28731, 32970, 38308, 43960, 47885, 51240, 57462, 65940, 67039, 76616, 95770, 114924, 131880, 134078, 143655, 191540, 201117, 229848, 268156, 287310, 335195, 383080, 402234, 536312, 574620, 670390, 804468, 1005585, 1149240, 1340780, 1608936, 2011170, 2681560, 4022340, 8044680]

約数ペア:

[(1, 8044680), (2, 4022340), (3, 2681560), (4, 2011170), (5, 1608936), (6, 1340780), (7, 1149240), (8, 1005585), (10, 804468), (12, 670390), (14, 574620), (15, 536312), (20, 402234), (21, 383080), (24, 335195), (28, 287310), (30, 268156), (35, 229848), (40, 201117), (42, 191540), (56, 143655), (60, 134078), (61, 131880), (70, 114924), (84, 95770), (105, 76616), (120, 67039), (122, 65940), (140, 57462), (157, 51240), (168, 47885), (183, 43960), (210, 38308), (244, 32970), (280, 28731), (305, 26376), (314, 25620), (366, 21980), (420, 19154), (427, 18840), (471, 17080), (488, 16485), (610, 13188), (628, 12810), (732, 10990), (785, 10248), (840, 9577), (854, 9420), (915, 8792), (942, 8540), (1099, 7320), (1220, 6594), (1256, 6405), (1281, 6280), (1464, 5495), (1570, 5124), (1708, 4710), (1830, 4396), (1884, 4270), (2135, 3768), (2198, 3660), (2355, 3416), (2440, 3297), (2562, 3140)]