About the Number

172401240

172401239 ← → 172401241

2進数表記:1010010001101010001001011000

漢数字表記:一億七千二百四十万千二百四十

素因数分解:

2 3 × 3 1 × 5 1 × 11 1 × 131 1 × 997 1

素因数の和:1153
約数の個数: 128
約数和(自身を含む): 569099520
約数和(自身を除く): 396698280

約数列:
[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 60, 66, 88, 110, 120, 131, 132, 165, 220, 262, 264, 330, 393, 440, 524, 655, 660, 786, 997, 1048, 1310, 1320, 1441, 1572, 1965, 1994, 2620, 2882, 2991, 3144, 3930, 3988, 4323, 4985, 5240, 5764, 5982, 7205, 7860, 7976, 8646, 9970, 10967, 11528, 11964, 14410, 14955, 15720, 17292, 19940, 21615, 21934, 23928, 28820, 29910, 32901, 34584, 39880, 43230, 43868, 54835, 57640, 59820, 65802, 86460, 87736, 109670, 119640, 130607, 131604, 164505, 172920, 219340, 261214, 263208, 329010, 391821, 438680, 522428, 653035, 658020, 783642, 1044856, 1306070, 1316040, 1436677, 1567284, 1959105, 2612140, 2873354, 3134568, 3918210, 4310031, 5224280, 5746708, 7183385, 7836420, 8620062, 11493416, 14366770, 15672840, 17240124, 21550155, 28733540, 34480248, 43100310, 57467080, 86200620, 172401240]

約数ペア:
[(1, 172401240), (2, 86200620), (3, 57467080), (4, 43100310), (5, 34480248), (6, 28733540), (8, 21550155), (10, 17240124), (11, 15672840), (12, 14366770), (15, 11493416), (20, 8620062), (22, 7836420), (24, 7183385), (30, 5746708), (33, 5224280), (40, 4310031), (44, 3918210), (55, 3134568), (60, 2873354), (66, 2612140), (88, 1959105), (110, 1567284), (120, 1436677), (131, 1316040), (132, 1306070), (165, 1044856), (220, 783642), (262, 658020), (264, 653035), (330, 522428), (393, 438680), (440, 391821), (524, 329010), (655, 263208), (660, 261214), (786, 219340), (997, 172920), (1048, 164505), (1310, 131604), (1320, 130607), (1441, 119640), (1572, 109670), (1965, 87736), (1994, 86460), (2620, 65802), (2882, 59820), (2991, 57640), (3144, 54835), (3930, 43868), (3988, 43230), (4323, 39880), (4985, 34584), (5240, 32901), (5764, 29910), (5982, 28820), (7205, 23928), (7860, 21934), (7976, 21615), (8646, 19940), (9970, 17292), (10967, 15720), (11528, 14955), (11964, 14410)]

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