About the Number

12971640

12971639 ← → 12971641

2進数表記:110001011110111001111000

漢数字表記:千二百九十七万千六百四十

素因数分解:

2 3 × 3 1 × 5 1 × 11 1 × 31 1 × 317 1

素因数の和:373
約数の個数: 128
約数和(自身を含む): 43960320
約数和(自身を除く): 30988680

約数列:
[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 31, 33, 40, 44, 55, 60, 62, 66, 88, 93, 110, 120, 124, 132, 155, 165, 186, 220, 248, 264, 310, 317, 330, 341, 372, 440, 465, 620, 634, 660, 682, 744, 930, 951, 1023, 1240, 1268, 1320, 1364, 1585, 1705, 1860, 1902, 2046, 2536, 2728, 3170, 3410, 3487, 3720, 3804, 4092, 4755, 5115, 6340, 6820, 6974, 7608, 8184, 9510, 9827, 10230, 10461, 12680, 13640, 13948, 17435, 19020, 19654, 20460, 20922, 27896, 29481, 34870, 38040, 39308, 40920, 41844, 49135, 52305, 58962, 69740, 78616, 83688, 98270, 104610, 108097, 117924, 139480, 147405, 196540, 209220, 216194, 235848, 294810, 324291, 393080, 418440, 432388, 540485, 589620, 648582, 864776, 1080970, 1179240, 1297164, 1621455, 2161940, 2594328, 3242910, 4323880, 6485820, 12971640]

約数ペア:
[(1, 12971640), (2, 6485820), (3, 4323880), (4, 3242910), (5, 2594328), (6, 2161940), (8, 1621455), (10, 1297164), (11, 1179240), (12, 1080970), (15, 864776), (20, 648582), (22, 589620), (24, 540485), (30, 432388), (31, 418440), (33, 393080), (40, 324291), (44, 294810), (55, 235848), (60, 216194), (62, 209220), (66, 196540), (88, 147405), (93, 139480), (110, 117924), (120, 108097), (124, 104610), (132, 98270), (155, 83688), (165, 78616), (186, 69740), (220, 58962), (248, 52305), (264, 49135), (310, 41844), (317, 40920), (330, 39308), (341, 38040), (372, 34870), (440, 29481), (465, 27896), (620, 20922), (634, 20460), (660, 19654), (682, 19020), (744, 17435), (930, 13948), (951, 13640), (1023, 12680), (1240, 10461), (1268, 10230), (1320, 9827), (1364, 9510), (1585, 8184), (1705, 7608), (1860, 6974), (1902, 6820), (2046, 6340), (2536, 5115), (2728, 4755), (3170, 4092), (3410, 3804), (3487, 3720)]

このpageの処理時間: 0.07843828201293945 seconds