About the Number
129810640
2進数表記:111101111001100000011010000
漢数字表記:一億二千九百八十一万六百四十
素因数分解:
素因数の和:3140
約数の個数: 80
約数和(自身を含む): 329978880
約数和(自身を除く): 200168240
約数列:
[1, 2, 4, 5, 8, 10, 16, 17, 20, 31, 34, 40, 62, 68, 80, 85, 124, 136, 155, 170, 248, 272, 310, 340, 496, 527, 620, 680, 1054, 1240, 1360, 2108, 2480, 2635, 3079, 4216, 5270, 6158, 8432, 10540, 12316, 15395, 21080, 24632, 30790, 42160, 49264, 52343, 61580, 95449, 104686, 123160, 190898, 209372, 246320, 261715, 381796, 418744, 477245, 523430, 763592, 837488, 954490, 1046860, 1527184, 1622633, 1908980, 2093720, 3245266, 3817960, 4187440, 6490532, 7635920, 8113165, 12981064, 16226330, 25962128, 32452660, 64905320, 129810640]
約数ペア:
[(1, 129810640), (2, 64905320), (4, 32452660), (5, 25962128), (8, 16226330), (10, 12981064), (16, 8113165), (17, 7635920), (20, 6490532), (31, 4187440), (34, 3817960), (40, 3245266), (62, 2093720), (68, 1908980), (80, 1622633), (85, 1527184), (124, 1046860), (136, 954490), (155, 837488), (170, 763592), (248, 523430), (272, 477245), (310, 418744), (340, 381796), (496, 261715), (527, 246320), (620, 209372), (680, 190898), (1054, 123160), (1240, 104686), (1360, 95449), (2108, 61580), (2480, 52343), (2635, 49264), (3079, 42160), (4216, 30790), (5270, 24632), (6158, 21080), (8432, 15395), (10540, 12316)]このpageの処理時間: 0.012684822082519531 seconds