About the Number

72643140

72643139 ← → 72643141

2進数表記:100010101000111001001000100

漢数字表記:七千二百六十四万三千百四十

素因数分解:

2 2 × 3 2 × 5 1 × 443 1 × 911 1

素因数の和:1369
約数の個数: 72
約数和(自身を含む): 221090688
約数和(自身を除く): 148447548

約数列:
[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 443, 886, 911, 1329, 1772, 1822, 2215, 2658, 2733, 3644, 3987, 4430, 4555, 5316, 5466, 6645, 7974, 8199, 8860, 9110, 10932, 13290, 13665, 15948, 16398, 18220, 19935, 26580, 27330, 32796, 39870, 40995, 54660, 79740, 81990, 163980, 403573, 807146, 1210719, 1614292, 2017865, 2421438, 3632157, 4035730, 4842876, 6053595, 7264314, 8071460, 12107190, 14528628, 18160785, 24214380, 36321570, 72643140]

約数ペア:
[(1, 72643140), (2, 36321570), (3, 24214380), (4, 18160785), (5, 14528628), (6, 12107190), (9, 8071460), (10, 7264314), (12, 6053595), (15, 4842876), (18, 4035730), (20, 3632157), (30, 2421438), (36, 2017865), (45, 1614292), (60, 1210719), (90, 807146), (180, 403573), (443, 163980), (886, 81990), (911, 79740), (1329, 54660), (1772, 40995), (1822, 39870), (2215, 32796), (2658, 27330), (2733, 26580), (3644, 19935), (3987, 18220), (4430, 16398), (4555, 15948), (5316, 13665), (5466, 13290), (6645, 10932), (7974, 9110), (8199, 8860)]

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