73148920

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1$

素因数の和:185

約数の個数: 128

約数和(自身を含む): 187971840

約数和(自身を除く): 114822920

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 41, 47, 52, 65, 73, 82, 94, 104, 130, 146, 164, 188, 205, 235, 260, 292, 328, 365, 376, 410, 470, 520, 533, 584, 611, 730, 820, 940, 949, 1066, 1222, 1460, 1640, 1880, 1898, 1927, 2132, 2444, 2665, 2920, 2993, 3055, 3431, 3796, 3854, 4264, 4745, 4888, 5330, 5986, 6110, 6862, 7592, 7708, 9490, 9635, 10660, 11972, 12220, 13724, 14965, 15416, 17155, 18980, 19270, 21320, 23944, 24440, 25051, 27448, 29930, 34310, 37960, 38540, 38909, 44603, 50102, 59860, 68620, 77080, 77818, 89206, 100204, 119720, 125255, 137240, 140671, 155636, 178412, 194545, 200408, 223015, 250510, 281342, 311272, 356824, 389090, 446030, 501020, 562684, 703355, 778180, 892060, 1002040, 1125368, 1406710, 1556360, 1784120, 1828723, 2813420, 3657446, 5626840, 7314892, 9143615, 14629784, 18287230, 36574460, 73148920]

約数ペア:

[(1, 73148920), (2, 36574460), (4, 18287230), (5, 14629784), (8, 9143615), (10, 7314892), (13, 5626840), (20, 3657446), (26, 2813420), (40, 1828723), (41, 1784120), (47, 1556360), (52, 1406710), (65, 1125368), (73, 1002040), (82, 892060), (94, 778180), (104, 703355), (130, 562684), (146, 501020), (164, 446030), (188, 389090), (205, 356824), (235, 311272), (260, 281342), (292, 250510), (328, 223015), (365, 200408), (376, 194545), (410, 178412), (470, 155636), (520, 140671), (533, 137240), (584, 125255), (611, 119720), (730, 100204), (820, 89206), (940, 77818), (949, 77080), (1066, 68620), (1222, 59860), (1460, 50102), (1640, 44603), (1880, 38909), (1898, 38540), (1927, 37960), (2132, 34310), (2444, 29930), (2665, 27448), (2920, 25051), (2993, 24440), (3055, 23944), (3431, 21320), (3796, 19270), (3854, 18980), (4264, 17155), (4745, 15416), (4888, 14965), (5330, 13724), (5986, 12220), (6110, 11972), (6862, 10660), (7592, 9635), (7708, 9490)]