180549880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{4639}}^1$

素因数の和:4796

約数の個数: 64

約数和(自身を含む): 467712000

約数和(自身を除く): 287162120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 139, 140, 278, 280, 556, 695, 973, 1112, 1390, 1946, 2780, 3892, 4639, 4865, 5560, 7784, 9278, 9730, 18556, 19460, 23195, 32473, 37112, 38920, 46390, 64946, 92780, 129892, 162365, 185560, 259784, 324730, 644821, 649460, 1289642, 1298920, 2579284, 3224105, 4513747, 5158568, 6448210, 9027494, 12896420, 18054988, 22568735, 25792840, 36109976, 45137470, 90274940, 180549880]

約数ペア:

[(1, 180549880), (2, 90274940), (4, 45137470), (5, 36109976), (7, 25792840), (8, 22568735), (10, 18054988), (14, 12896420), (20, 9027494), (28, 6448210), (35, 5158568), (40, 4513747), (56, 3224105), (70, 2579284), (139, 1298920), (140, 1289642), (278, 649460), (280, 644821), (556, 324730), (695, 259784), (973, 185560), (1112, 162365), (1390, 129892), (1946, 92780), (2780, 64946), (3892, 46390), (4639, 38920), (4865, 37112), (5560, 32473), (7784, 23195), (9278, 19460), (9730, 18556)]