72417520

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{1453}}^1$

素因数の和:1562

約数の個数: 80

約数和(自身を含む): 194719680

約数和(自身を除く): 122302160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 89, 112, 140, 178, 280, 356, 445, 560, 623, 712, 890, 1246, 1424, 1453, 1780, 2492, 2906, 3115, 3560, 4984, 5812, 6230, 7120, 7265, 9968, 10171, 11624, 12460, 14530, 20342, 23248, 24920, 29060, 40684, 49840, 50855, 58120, 81368, 101710, 116240, 129317, 162736, 203420, 258634, 406840, 517268, 646585, 813680, 905219, 1034536, 1293170, 1810438, 2069072, 2586340, 3620876, 4526095, 5172680, 7241752, 9052190, 10345360, 14483504, 18104380, 36208760, 72417520]

約数ペア:

[(1, 72417520), (2, 36208760), (4, 18104380), (5, 14483504), (7, 10345360), (8, 9052190), (10, 7241752), (14, 5172680), (16, 4526095), (20, 3620876), (28, 2586340), (35, 2069072), (40, 1810438), (56, 1293170), (70, 1034536), (80, 905219), (89, 813680), (112, 646585), (140, 517268), (178, 406840), (280, 258634), (356, 203420), (445, 162736), (560, 129317), (623, 116240), (712, 101710), (890, 81368), (1246, 58120), (1424, 50855), (1453, 49840), (1780, 40684), (2492, 29060), (2906, 24920), (3115, 23248), (3560, 20342), (4984, 14530), (5812, 12460), (6230, 11624), (7120, 10171), (7265, 9968)]