1229803920

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{28001}}^1$

素因数の和:28081

約数の個数: 120

約数和(自身を含む): 4197947832

約数和(自身を除く): 2968143912

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 61, 72, 80, 90, 120, 122, 144, 180, 183, 240, 244, 305, 360, 366, 488, 549, 610, 720, 732, 915, 976, 1098, 1220, 1464, 1830, 2196, 2440, 2745, 2928, 3660, 4392, 4880, 5490, 7320, 8784, 10980, 14640, 21960, 28001, 43920, 56002, 84003, 112004, 140005, 168006, 224008, 252009, 280010, 336012, 420015, 448016, 504018, 560020, 672024, 840030, 1008036, 1120040, 1260045, 1344048, 1680060, 1708061, 2016072, 2240080, 2520090, 3360120, 3416122, 4032144, 5040180, 5124183, 6720240, 6832244, 8540305, 10080360, 10248366, 13664488, 15372549, 17080610, 20160720, 20496732, 25620915, 27328976, 30745098, 34161220, 40993464, 51241830, 61490196, 68322440, 76862745, 81986928, 102483660, 122980392, 136644880, 153725490, 204967320, 245960784, 307450980, 409934640, 614901960, 1229803920]

約数ペア:

[(1, 1229803920), (2, 614901960), (3, 409934640), (4, 307450980), (5, 245960784), (6, 204967320), (8, 153725490), (9, 136644880), (10, 122980392), (12, 102483660), (15, 81986928), (16, 76862745), (18, 68322440), (20, 61490196), (24, 51241830), (30, 40993464), (36, 34161220), (40, 30745098), (45, 27328976), (48, 25620915), (60, 20496732), (61, 20160720), (72, 17080610), (80, 15372549), (90, 13664488), (120, 10248366), (122, 10080360), (144, 8540305), (180, 6832244), (183, 6720240), (240, 5124183), (244, 5040180), (305, 4032144), (360, 3416122), (366, 3360120), (488, 2520090), (549, 2240080), (610, 2016072), (720, 1708061), (732, 1680060), (915, 1344048), (976, 1260045), (1098, 1120040), (1220, 1008036), (1464, 840030), (1830, 672024), (2196, 560020), (2440, 504018), (2745, 448016), (2928, 420015), (3660, 336012), (4392, 280010), (4880, 252009), (5490, 224008), (7320, 168006), (8784, 140005), (10980, 112004), (14640, 84003), (21960, 56002), (28001, 43920)]