About the Number

121156980

121156979 ← → 121156981

2進数表記:111001110001011010101110100

漢数字表記:一億二千百十五万六千九百八十

素因数分解:

2 2 × 3 1 × 5 1 × 7 1 × 61 1 × 4729 1

素因数の和:4809
約数の個数: 96
約数和(自身を含む): 394141440
約数和(自身を除く): 272984460

約数列:
[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 61, 70, 84, 105, 122, 140, 183, 210, 244, 305, 366, 420, 427, 610, 732, 854, 915, 1220, 1281, 1708, 1830, 2135, 2562, 3660, 4270, 4729, 5124, 6405, 8540, 9458, 12810, 14187, 18916, 23645, 25620, 28374, 33103, 47290, 56748, 66206, 70935, 94580, 99309, 132412, 141870, 165515, 198618, 283740, 288469, 331030, 397236, 496545, 576938, 662060, 865407, 993090, 1153876, 1442345, 1730814, 1986180, 2019283, 2884690, 3461628, 4038566, 4327035, 5769380, 6057849, 8077132, 8654070, 10096415, 12115698, 17308140, 20192830, 24231396, 30289245, 40385660, 60578490, 121156980]

約数ペア:
[(1, 121156980), (2, 60578490), (3, 40385660), (4, 30289245), (5, 24231396), (6, 20192830), (7, 17308140), (10, 12115698), (12, 10096415), (14, 8654070), (15, 8077132), (20, 6057849), (21, 5769380), (28, 4327035), (30, 4038566), (35, 3461628), (42, 2884690), (60, 2019283), (61, 1986180), (70, 1730814), (84, 1442345), (105, 1153876), (122, 993090), (140, 865407), (183, 662060), (210, 576938), (244, 496545), (305, 397236), (366, 331030), (420, 288469), (427, 283740), (610, 198618), (732, 165515), (854, 141870), (915, 132412), (1220, 99309), (1281, 94580), (1708, 70935), (1830, 66206), (2135, 56748), (2562, 47290), (3660, 33103), (4270, 28374), (4729, 25620), (5124, 23645), (6405, 18916), (8540, 14187), (9458, 12810)]

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