67761040

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{307}}^1$

素因数の和:440

約数の個数: 80

約数和(自身を含む): 164989440

約数和(自身を除く): 97228400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 89, 124, 155, 178, 248, 307, 310, 356, 445, 496, 614, 620, 712, 890, 1228, 1240, 1424, 1535, 1780, 2456, 2480, 2759, 3070, 3560, 4912, 5518, 6140, 7120, 9517, 11036, 12280, 13795, 19034, 22072, 24560, 27323, 27590, 38068, 44144, 47585, 54646, 55180, 76136, 95170, 109292, 110360, 136615, 152272, 190340, 218584, 220720, 273230, 380680, 437168, 546460, 761360, 847013, 1092920, 1694026, 2185840, 3388052, 4235065, 6776104, 8470130, 13552208, 16940260, 33880520, 67761040]

約数ペア:

[(1, 67761040), (2, 33880520), (4, 16940260), (5, 13552208), (8, 8470130), (10, 6776104), (16, 4235065), (20, 3388052), (31, 2185840), (40, 1694026), (62, 1092920), (80, 847013), (89, 761360), (124, 546460), (155, 437168), (178, 380680), (248, 273230), (307, 220720), (310, 218584), (356, 190340), (445, 152272), (496, 136615), (614, 110360), (620, 109292), (712, 95170), (890, 76136), (1228, 55180), (1240, 54646), (1424, 47585), (1535, 44144), (1780, 38068), (2456, 27590), (2480, 27323), (2759, 24560), (3070, 22072), (3560, 19034), (4912, 13795), (5518, 12280), (6140, 11036), (7120, 9517)]