1803804520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{409}}^1\times {\mathrm{829}}^1$

素因数の和:1275

約数の個数: 128

約数和(自身を含む): 4900320000

約数和(自身を除く): 3096515480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 28, 35, 38, 40, 56, 70, 76, 95, 133, 140, 152, 190, 266, 280, 380, 409, 532, 665, 760, 818, 829, 1064, 1330, 1636, 1658, 2045, 2660, 2863, 3272, 3316, 4090, 4145, 5320, 5726, 5803, 6632, 7771, 8180, 8290, 11452, 11606, 14315, 15542, 15751, 16360, 16580, 22904, 23212, 28630, 29015, 31084, 31502, 33160, 38855, 46424, 54397, 57260, 58030, 62168, 63004, 77710, 78755, 108794, 110257, 114520, 116060, 126008, 155420, 157510, 217588, 220514, 232120, 271985, 310840, 315020, 339061, 435176, 441028, 543970, 551285, 630040, 678122, 882056, 1087940, 1102570, 1356244, 1695305, 2175880, 2205140, 2373427, 2712488, 3390610, 4410280, 4746854, 6442159, 6781220, 9493708, 11867135, 12884318, 13562440, 18987416, 23734270, 25768636, 32210795, 45095113, 47468540, 51537272, 64421590, 90190226, 94937080, 128843180, 180380452, 225475565, 257686360, 360760904, 450951130, 901902260, 1803804520]

約数ペア:

[(1, 1803804520), (2, 901902260), (4, 450951130), (5, 360760904), (7, 257686360), (8, 225475565), (10, 180380452), (14, 128843180), (19, 94937080), (20, 90190226), (28, 64421590), (35, 51537272), (38, 47468540), (40, 45095113), (56, 32210795), (70, 25768636), (76, 23734270), (95, 18987416), (133, 13562440), (140, 12884318), (152, 11867135), (190, 9493708), (266, 6781220), (280, 6442159), (380, 4746854), (409, 4410280), (532, 3390610), (665, 2712488), (760, 2373427), (818, 2205140), (829, 2175880), (1064, 1695305), (1330, 1356244), (1636, 1102570), (1658, 1087940), (2045, 882056), (2660, 678122), (2863, 630040), (3272, 551285), (3316, 543970), (4090, 441028), (4145, 435176), (5320, 339061), (5726, 315020), (5803, 310840), (6632, 271985), (7771, 232120), (8180, 220514), (8290, 217588), (11452, 157510), (11606, 155420), (14315, 126008), (15542, 116060), (15751, 114520), (16360, 110257), (16580, 108794), (22904, 78755), (23212, 77710), (28630, 63004), (29015, 62168), (31084, 58030), (31502, 57260), (33160, 54397), (38855, 46424)]