68399680

素因数分解:

$2^6\times 5^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{109}}^1$

素因数の和:216

約数の個数: 112

約数和(自身を含む): 171998640

約数和(自身を除く): 103598960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 37, 40, 53, 64, 74, 80, 106, 109, 148, 160, 185, 212, 218, 265, 296, 320, 370, 424, 436, 530, 545, 592, 740, 848, 872, 1060, 1090, 1184, 1480, 1696, 1744, 1961, 2120, 2180, 2368, 2960, 3392, 3488, 3922, 4033, 4240, 4360, 5777, 5920, 6976, 7844, 8066, 8480, 8720, 9805, 11554, 11840, 15688, 16132, 16960, 17440, 19610, 20165, 23108, 28885, 31376, 32264, 34880, 39220, 40330, 46216, 57770, 62752, 64528, 78440, 80660, 92432, 115540, 125504, 129056, 156880, 161320, 184864, 213749, 231080, 258112, 313760, 322640, 369728, 427498, 462160, 627520, 645280, 854996, 924320, 1068745, 1290560, 1709992, 1848640, 2137490, 3419984, 4274980, 6839968, 8549960, 13679936, 17099920, 34199840, 68399680]

約数ペア:

[(1, 68399680), (2, 34199840), (4, 17099920), (5, 13679936), (8, 8549960), (10, 6839968), (16, 4274980), (20, 3419984), (32, 2137490), (37, 1848640), (40, 1709992), (53, 1290560), (64, 1068745), (74, 924320), (80, 854996), (106, 645280), (109, 627520), (148, 462160), (160, 427498), (185, 369728), (212, 322640), (218, 313760), (265, 258112), (296, 231080), (320, 213749), (370, 184864), (424, 161320), (436, 156880), (530, 129056), (545, 125504), (592, 115540), (740, 92432), (848, 80660), (872, 78440), (1060, 64528), (1090, 62752), (1184, 57770), (1480, 46216), (1696, 40330), (1744, 39220), (1961, 34880), (2120, 32264), (2180, 31376), (2368, 28885), (2960, 23108), (3392, 20165), (3488, 19610), (3922, 17440), (4033, 16960), (4240, 16132), (4360, 15688), (5777, 11840), (5920, 11554), (6976, 9805), (7844, 8720), (8066, 8480)]