278181240

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{137}}^1\times {\mathrm{16921}}^1$

素因数の和:17072

約数の個数: 64

約数和(自身を含む): 840684960

約数和(自身を除く): 562503720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 137, 274, 411, 548, 685, 822, 1096, 1370, 1644, 2055, 2740, 3288, 4110, 5480, 8220, 16440, 16921, 33842, 50763, 67684, 84605, 101526, 135368, 169210, 203052, 253815, 338420, 406104, 507630, 676840, 1015260, 2030520, 2318177, 4636354, 6954531, 9272708, 11590885, 13909062, 18545416, 23181770, 27818124, 34772655, 46363540, 55636248, 69545310, 92727080, 139090620, 278181240]

約数ペア:

[(1, 278181240), (2, 139090620), (3, 92727080), (4, 69545310), (5, 55636248), (6, 46363540), (8, 34772655), (10, 27818124), (12, 23181770), (15, 18545416), (20, 13909062), (24, 11590885), (30, 9272708), (40, 6954531), (60, 4636354), (120, 2318177), (137, 2030520), (274, 1015260), (411, 676840), (548, 507630), (685, 406104), (822, 338420), (1096, 253815), (1370, 203052), (1644, 169210), (2055, 135368), (2740, 101526), (3288, 84605), (4110, 67684), (5480, 50763), (8220, 33842), (16440, 16921)]