197940120

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{3863}}^1$

素因数の和:3945

約数の個数: 128

約数和(自身を含む): 689955840

約数和(自身を除く): 492015720

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, 168, 183, 210, 244, 280, 305, 366, 420, 427, 488, 610, 732, 840, 854, 915, 1220, 1281, 1464, 1708, 1830, 2135, 2440, 2562, 3416, 3660, 3863, 4270, 5124, 6405, 7320, 7726, 8540, 10248, 11589, 12810, 15452, 17080, 19315, 23178, 25620, 27041, 30904, 38630, 46356, 51240, 54082, 57945, 77260, 81123, 92712, 108164, 115890, 135205, 154520, 162246, 216328, 231780, 235643, 270410, 324492, 405615, 463560, 471286, 540820, 648984, 706929, 811230, 942572, 1081640, 1178215, 1413858, 1622460, 1649501, 1885144, 2356430, 2827716, 3244920, 3299002, 3534645, 4712860, 4948503, 5655432, 6598004, 7069290, 8247505, 9425720, 9897006, 13196008, 14138580, 16495010, 19794012, 24742515, 28277160, 32990020, 39588024, 49485030, 65980040, 98970060, 197940120]

約数ペア:

[(1, 197940120), (2, 98970060), (3, 65980040), (4, 49485030), (5, 39588024), (6, 32990020), (7, 28277160), (8, 24742515), (10, 19794012), (12, 16495010), (14, 14138580), (15, 13196008), (20, 9897006), (21, 9425720), (24, 8247505), (28, 7069290), (30, 6598004), (35, 5655432), (40, 4948503), (42, 4712860), (56, 3534645), (60, 3299002), (61, 3244920), (70, 2827716), (84, 2356430), (105, 1885144), (120, 1649501), (122, 1622460), (140, 1413858), (168, 1178215), (183, 1081640), (210, 942572), (244, 811230), (280, 706929), (305, 648984), (366, 540820), (420, 471286), (427, 463560), (488, 405615), (610, 324492), (732, 270410), (840, 235643), (854, 231780), (915, 216328), (1220, 162246), (1281, 154520), (1464, 135205), (1708, 115890), (1830, 108164), (2135, 92712), (2440, 81123), (2562, 77260), (3416, 57945), (3660, 54082), (3863, 51240), (4270, 46356), (5124, 38630), (6405, 30904), (7320, 27041), (7726, 25620), (8540, 23178), (10248, 19315), (11589, 17080), (12810, 15452)]