68431020

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{2671}}^1$

素因数の和:2751

約数の個数: 96

約数和(自身を含む): 222652416

約数和(自身を除く): 154221396

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 61, 70, 84, 105, 122, 140, 183, 210, 244, 305, 366, 420, 427, 610, 732, 854, 915, 1220, 1281, 1708, 1830, 2135, 2562, 2671, 3660, 4270, 5124, 5342, 6405, 8013, 8540, 10684, 12810, 13355, 16026, 18697, 25620, 26710, 32052, 37394, 40065, 53420, 56091, 74788, 80130, 93485, 112182, 160260, 162931, 186970, 224364, 280455, 325862, 373940, 488793, 560910, 651724, 814655, 977586, 1121820, 1140517, 1629310, 1955172, 2281034, 2443965, 3258620, 3421551, 4562068, 4887930, 5702585, 6843102, 9775860, 11405170, 13686204, 17107755, 22810340, 34215510, 68431020]

約数ペア:

[(1, 68431020), (2, 34215510), (3, 22810340), (4, 17107755), (5, 13686204), (6, 11405170), (7, 9775860), (10, 6843102), (12, 5702585), (14, 4887930), (15, 4562068), (20, 3421551), (21, 3258620), (28, 2443965), (30, 2281034), (35, 1955172), (42, 1629310), (60, 1140517), (61, 1121820), (70, 977586), (84, 814655), (105, 651724), (122, 560910), (140, 488793), (183, 373940), (210, 325862), (244, 280455), (305, 224364), (366, 186970), (420, 162931), (427, 160260), (610, 112182), (732, 93485), (854, 80130), (915, 74788), (1220, 56091), (1281, 53420), (1708, 40065), (1830, 37394), (2135, 32052), (2562, 26710), (2671, 25620), (3660, 18697), (4270, 16026), (5124, 13355), (5342, 12810), (6405, 10684), (8013, 8540)]