About the Number

80813280

80813279 ← → 80813281

2進数表記:100110100010001110011100000

漢数字表記:八千八十一万三千二百八十

素因数分解:

2 5 × 3 1 × 5 1 × 31 1 × 5431 1

素因数の和:5480
約数の個数: 96
約数和(自身を含む): 262821888
約数和(自身を除く): 182008608

約数列:
[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 32, 40, 48, 60, 62, 80, 93, 96, 120, 124, 155, 160, 186, 240, 248, 310, 372, 465, 480, 496, 620, 744, 930, 992, 1240, 1488, 1860, 2480, 2976, 3720, 4960, 5431, 7440, 10862, 14880, 16293, 21724, 27155, 32586, 43448, 54310, 65172, 81465, 86896, 108620, 130344, 162930, 168361, 173792, 217240, 260688, 325860, 336722, 434480, 505083, 521376, 651720, 673444, 841805, 868960, 1010166, 1303440, 1346888, 1683610, 2020332, 2525415, 2606880, 2693776, 3367220, 4040664, 5050830, 5387552, 6734440, 8081328, 10101660, 13468880, 16162656, 20203320, 26937760, 40406640, 80813280]

約数ペア:
[(1, 80813280), (2, 40406640), (3, 26937760), (4, 20203320), (5, 16162656), (6, 13468880), (8, 10101660), (10, 8081328), (12, 6734440), (15, 5387552), (16, 5050830), (20, 4040664), (24, 3367220), (30, 2693776), (31, 2606880), (32, 2525415), (40, 2020332), (48, 1683610), (60, 1346888), (62, 1303440), (80, 1010166), (93, 868960), (96, 841805), (120, 673444), (124, 651720), (155, 521376), (160, 505083), (186, 434480), (240, 336722), (248, 325860), (310, 260688), (372, 217240), (465, 173792), (480, 168361), (496, 162930), (620, 130344), (744, 108620), (930, 86896), (992, 81465), (1240, 65172), (1488, 54310), (1860, 43448), (2480, 32586), (2976, 27155), (3720, 21724), (4960, 16293), (5431, 14880), (7440, 10862)]

このpageの処理時間: 0.011011600494384766 seconds