9547720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1$

素因数の和:135

約数の個数: 128

約数和(自身を含む): 27498240

約数和(自身を除く): 17950520

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 43, 52, 56, 61, 65, 70, 86, 91, 104, 122, 130, 140, 172, 182, 215, 244, 260, 280, 301, 305, 344, 364, 427, 430, 455, 488, 520, 559, 602, 610, 728, 793, 854, 860, 910, 1118, 1204, 1220, 1505, 1586, 1708, 1720, 1820, 2135, 2236, 2408, 2440, 2623, 2795, 3010, 3172, 3416, 3640, 3913, 3965, 4270, 4472, 5246, 5551, 5590, 6020, 6344, 7826, 7930, 8540, 10492, 11102, 11180, 12040, 13115, 15652, 15860, 17080, 18361, 19565, 20984, 22204, 22360, 26230, 27755, 31304, 31720, 34099, 36722, 39130, 44408, 52460, 55510, 68198, 73444, 78260, 91805, 104920, 111020, 136396, 146888, 156520, 170495, 183610, 222040, 238693, 272792, 340990, 367220, 477386, 681980, 734440, 954772, 1193465, 1363960, 1909544, 2386930, 4773860, 9547720]

約数ペア:

[(1, 9547720), (2, 4773860), (4, 2386930), (5, 1909544), (7, 1363960), (8, 1193465), (10, 954772), (13, 734440), (14, 681980), (20, 477386), (26, 367220), (28, 340990), (35, 272792), (40, 238693), (43, 222040), (52, 183610), (56, 170495), (61, 156520), (65, 146888), (70, 136396), (86, 111020), (91, 104920), (104, 91805), (122, 78260), (130, 73444), (140, 68198), (172, 55510), (182, 52460), (215, 44408), (244, 39130), (260, 36722), (280, 34099), (301, 31720), (305, 31304), (344, 27755), (364, 26230), (427, 22360), (430, 22204), (455, 20984), (488, 19565), (520, 18361), (559, 17080), (602, 15860), (610, 15652), (728, 13115), (793, 12040), (854, 11180), (860, 11102), (910, 10492), (1118, 8540), (1204, 7930), (1220, 7826), (1505, 6344), (1586, 6020), (1708, 5590), (1720, 5551), (1820, 5246), (2135, 4472), (2236, 4270), (2408, 3965), (2440, 3913), (2623, 3640), (2795, 3416), (3010, 3172)]