About the Number

2155494480

2155494479 ← → 2155494481

2進数表記:10000000011110100011110001010000

漢数字表記:二十一億五千五百四十九万四千四百八十

素因数分解:

2 4 × 3 1 × 5 1 × 31 1 × 289717 1

素因数の和:289764
約数の個数: 80
約数和(自身を含む): 6897606144
約数和(自身を除く): 4742111664

約数列:
[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 40, 48, 60, 62, 80, 93, 120, 124, 155, 186, 240, 248, 310, 372, 465, 496, 620, 744, 930, 1240, 1488, 1860, 2480, 3720, 7440, 289717, 579434, 869151, 1158868, 1448585, 1738302, 2317736, 2897170, 3476604, 4345755, 4635472, 5794340, 6953208, 8691510, 8981227, 11588680, 13906416, 17383020, 17962454, 23177360, 26943681, 34766040, 35924908, 44906135, 53887362, 69532080, 71849816, 89812270, 107774724, 134718405, 143699632, 179624540, 215549448, 269436810, 359249080, 431098896, 538873620, 718498160, 1077747240, 2155494480]

約数ペア:
[(1, 2155494480), (2, 1077747240), (3, 718498160), (4, 538873620), (5, 431098896), (6, 359249080), (8, 269436810), (10, 215549448), (12, 179624540), (15, 143699632), (16, 134718405), (20, 107774724), (24, 89812270), (30, 71849816), (31, 69532080), (40, 53887362), (48, 44906135), (60, 35924908), (62, 34766040), (80, 26943681), (93, 23177360), (120, 17962454), (124, 17383020), (155, 13906416), (186, 11588680), (240, 8981227), (248, 8691510), (310, 6953208), (372, 5794340), (465, 4635472), (496, 4345755), (620, 3476604), (744, 2897170), (930, 2317736), (1240, 1738302), (1488, 1448585), (1860, 1158868), (2480, 869151), (3720, 579434), (7440, 289717)]

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