68739680

素因数分解:

$2^5\times 5^1\times {\mathrm{61}}^1\times {\mathrm{7043}}^1$

素因数の和:7119

約数の個数: 48

約数和(自身を含む): 165083184

約数和(自身を除く): 96343504

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 61, 80, 122, 160, 244, 305, 488, 610, 976, 1220, 1952, 2440, 4880, 7043, 9760, 14086, 28172, 35215, 56344, 70430, 112688, 140860, 225376, 281720, 429623, 563440, 859246, 1126880, 1718492, 2148115, 3436984, 4296230, 6873968, 8592460, 13747936, 17184920, 34369840, 68739680]

約数ペア:

[(1, 68739680), (2, 34369840), (4, 17184920), (5, 13747936), (8, 8592460), (10, 6873968), (16, 4296230), (20, 3436984), (32, 2148115), (40, 1718492), (61, 1126880), (80, 859246), (122, 563440), (160, 429623), (244, 281720), (305, 225376), (488, 140860), (610, 112688), (976, 70430), (1220, 56344), (1952, 35215), (2440, 28172), (4880, 14086), (7043, 9760)]