72757760

素因数分解:

$2^9\times 5^1\times {\mathrm{97}}^1\times {\mathrm{293}}^1$

素因数の和:413

約数の個数: 80

約数和(自身を含む): 176848056

約数和(自身を除く): 104090296

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 97, 128, 160, 194, 256, 293, 320, 388, 485, 512, 586, 640, 776, 970, 1172, 1280, 1465, 1552, 1940, 2344, 2560, 2930, 3104, 3880, 4688, 5860, 6208, 7760, 9376, 11720, 12416, 15520, 18752, 23440, 24832, 28421, 31040, 37504, 46880, 49664, 56842, 62080, 75008, 93760, 113684, 124160, 142105, 150016, 187520, 227368, 248320, 284210, 375040, 454736, 568420, 750080, 909472, 1136840, 1818944, 2273680, 3637888, 4547360, 7275776, 9094720, 14551552, 18189440, 36378880, 72757760]

約数ペア:

[(1, 72757760), (2, 36378880), (4, 18189440), (5, 14551552), (8, 9094720), (10, 7275776), (16, 4547360), (20, 3637888), (32, 2273680), (40, 1818944), (64, 1136840), (80, 909472), (97, 750080), (128, 568420), (160, 454736), (194, 375040), (256, 284210), (293, 248320), (320, 227368), (388, 187520), (485, 150016), (512, 142105), (586, 124160), (640, 113684), (776, 93760), (970, 75008), (1172, 62080), (1280, 56842), (1465, 49664), (1552, 46880), (1940, 37504), (2344, 31040), (2560, 28421), (2930, 24832), (3104, 23440), (3880, 18752), (4688, 15520), (5860, 12416), (6208, 11720), (7760, 9376)]