421657320

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{223}}^1\times {\mathrm{2251}}^1$

素因数の和:2495

約数の個数: 128

約数和(自身を含む): 1452810240

約数和(自身を除く): 1031152920

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, 70, 84, 105, 120, 140, 168, 210, 223, 280, 420, 446, 669, 840, 892, 1115, 1338, 1561, 1784, 2230, 2251, 2676, 3122, 3345, 4460, 4502, 4683, 5352, 6244, 6690, 6753, 7805, 8920, 9004, 9366, 11255, 12488, 13380, 13506, 15610, 15757, 18008, 18732, 22510, 23415, 26760, 27012, 31220, 31514, 33765, 37464, 45020, 46830, 47271, 54024, 62440, 63028, 67530, 78785, 90040, 93660, 94542, 126056, 135060, 157570, 187320, 189084, 236355, 270120, 315140, 378168, 472710, 501973, 630280, 945420, 1003946, 1505919, 1890840, 2007892, 2509865, 3011838, 3513811, 4015784, 5019730, 6023676, 7027622, 7529595, 10039460, 10541433, 12047352, 14055244, 15059190, 17569055, 20078920, 21082866, 28110488, 30118380, 35138110, 42165732, 52707165, 60236760, 70276220, 84331464, 105414330, 140552440, 210828660, 421657320]

約数ペア:

[(1, 421657320), (2, 210828660), (3, 140552440), (4, 105414330), (5, 84331464), (6, 70276220), (7, 60236760), (8, 52707165), (10, 42165732), (12, 35138110), (14, 30118380), (15, 28110488), (20, 21082866), (21, 20078920), (24, 17569055), (28, 15059190), (30, 14055244), (35, 12047352), (40, 10541433), (42, 10039460), (56, 7529595), (60, 7027622), (70, 6023676), (84, 5019730), (105, 4015784), (120, 3513811), (140, 3011838), (168, 2509865), (210, 2007892), (223, 1890840), (280, 1505919), (420, 1003946), (446, 945420), (669, 630280), (840, 501973), (892, 472710), (1115, 378168), (1338, 315140), (1561, 270120), (1784, 236355), (2230, 189084), (2251, 187320), (2676, 157570), (3122, 135060), (3345, 126056), (4460, 94542), (4502, 93660), (4683, 90040), (5352, 78785), (6244, 67530), (6690, 63028), (6753, 62440), (7805, 54024), (8920, 47271), (9004, 46830), (9366, 45020), (11255, 37464), (12488, 33765), (13380, 31514), (13506, 31220), (15610, 27012), (15757, 26760), (18008, 23415), (18732, 22510)]