313593680

素因数分解:

$2^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{179}}^1\times {\mathrm{359}}^1$

素因数の和:612

約数の個数: 80

約数和(自身を含む): 747273600

約数和(自身を除く): 433679920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 61, 80, 122, 179, 244, 305, 358, 359, 488, 610, 716, 718, 895, 976, 1220, 1432, 1436, 1790, 1795, 2440, 2864, 2872, 3580, 3590, 4880, 5744, 7160, 7180, 10919, 14320, 14360, 21838, 21899, 28720, 43676, 43798, 54595, 64261, 87352, 87596, 109190, 109495, 128522, 174704, 175192, 218380, 218990, 257044, 321305, 350384, 436760, 437980, 514088, 642610, 873520, 875960, 1028176, 1285220, 1751920, 2570440, 3919921, 5140880, 7839842, 15679684, 19599605, 31359368, 39199210, 62718736, 78398420, 156796840, 313593680]

約数ペア:

[(1, 313593680), (2, 156796840), (4, 78398420), (5, 62718736), (8, 39199210), (10, 31359368), (16, 19599605), (20, 15679684), (40, 7839842), (61, 5140880), (80, 3919921), (122, 2570440), (179, 1751920), (244, 1285220), (305, 1028176), (358, 875960), (359, 873520), (488, 642610), (610, 514088), (716, 437980), (718, 436760), (895, 350384), (976, 321305), (1220, 257044), (1432, 218990), (1436, 218380), (1790, 175192), (1795, 174704), (2440, 128522), (2864, 109495), (2872, 109190), (3580, 87596), (3590, 87352), (4880, 64261), (5744, 54595), (7160, 43798), (7180, 43676), (10919, 28720), (14320, 21899), (14360, 21838)]