319915260

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{253901}}^1$

素因数の和:253923

約数の個数: 72

約数和(自身を含む): 1109043936

約数和(自身を除く): 789128676

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 253901, 507802, 761703, 1015604, 1269505, 1523406, 1777307, 2285109, 2539010, 3046812, 3554614, 3808515, 4570218, 5078020, 5331921, 7109228, 7617030, 8886535, 9140436, 10663842, 11425545, 15234060, 15995763, 17773070, 21327684, 22851090, 26659605, 31991526, 35546140, 45702180, 53319210, 63983052, 79978815, 106638420, 159957630, 319915260]

約数ペア:

[(1, 319915260), (2, 159957630), (3, 106638420), (4, 79978815), (5, 63983052), (6, 53319210), (7, 45702180), (9, 35546140), (10, 31991526), (12, 26659605), (14, 22851090), (15, 21327684), (18, 17773070), (20, 15995763), (21, 15234060), (28, 11425545), (30, 10663842), (35, 9140436), (36, 8886535), (42, 7617030), (45, 7109228), (60, 5331921), (63, 5078020), (70, 4570218), (84, 3808515), (90, 3554614), (105, 3046812), (126, 2539010), (140, 2285109), (180, 1777307), (210, 1523406), (252, 1269505), (315, 1015604), (420, 761703), (630, 507802), (1260, 253901)]