240247280

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{541}}^1$

素因数の和:635

約数の個数: 160

約数和(自身を含む): 700038528

約数和(自身を除く): 459791248

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 52, 56, 61, 65, 70, 80, 91, 104, 112, 122, 130, 140, 182, 208, 244, 260, 280, 305, 364, 427, 455, 488, 520, 541, 560, 610, 728, 793, 854, 910, 976, 1040, 1082, 1220, 1456, 1586, 1708, 1820, 2135, 2164, 2440, 2705, 3172, 3416, 3640, 3787, 3965, 4270, 4328, 4880, 5410, 5551, 6344, 6832, 7033, 7280, 7574, 7930, 8540, 8656, 10820, 11102, 12688, 14066, 15148, 15860, 17080, 18935, 21640, 22204, 27755, 28132, 30296, 31720, 33001, 34160, 35165, 37870, 43280, 44408, 49231, 55510, 56264, 60592, 63440, 66002, 70330, 75740, 88816, 98462, 111020, 112528, 132004, 140660, 151480, 165005, 196924, 222040, 231007, 246155, 264008, 281320, 302960, 330010, 393848, 429013, 444080, 462014, 492310, 528016, 562640, 660020, 787696, 858026, 924028, 984620, 1155035, 1320040, 1716052, 1848056, 1969240, 2145065, 2310070, 2640080, 3003091, 3432104, 3696112, 3938480, 4290130, 4620140, 6006182, 6864208, 8580260, 9240280, 12012364, 15015455, 17160520, 18480560, 24024728, 30030910, 34321040, 48049456, 60061820, 120123640, 240247280]

約数ペア:

[(1, 240247280), (2, 120123640), (4, 60061820), (5, 48049456), (7, 34321040), (8, 30030910), (10, 24024728), (13, 18480560), (14, 17160520), (16, 15015455), (20, 12012364), (26, 9240280), (28, 8580260), (35, 6864208), (40, 6006182), (52, 4620140), (56, 4290130), (61, 3938480), (65, 3696112), (70, 3432104), (80, 3003091), (91, 2640080), (104, 2310070), (112, 2145065), (122, 1969240), (130, 1848056), (140, 1716052), (182, 1320040), (208, 1155035), (244, 984620), (260, 924028), (280, 858026), (305, 787696), (364, 660020), (427, 562640), (455, 528016), (488, 492310), (520, 462014), (541, 444080), (560, 429013), (610, 393848), (728, 330010), (793, 302960), (854, 281320), (910, 264008), (976, 246155), (1040, 231007), (1082, 222040), (1220, 196924), (1456, 165005), (1586, 151480), (1708, 140660), (1820, 132004), (2135, 112528), (2164, 111020), (2440, 98462), (2705, 88816), (3172, 75740), (3416, 70330), (3640, 66002), (3787, 63440), (3965, 60592), (4270, 56264), (4328, 55510), (4880, 49231), (5410, 44408), (5551, 43280), (6344, 37870), (6832, 35165), (7033, 34160), (7280, 33001), (7574, 31720), (7930, 30296), (8540, 28132), (8656, 27755), (10820, 22204), (11102, 21640), (12688, 18935), (14066, 17080), (15148, 15860)]