123382480

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1$

素因数の和:189

約数の個数: 160

約数和(自身を含む): 329978880

約数和(自身を除く): 206596400

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 40, 43, 52, 62, 65, 80, 86, 89, 104, 124, 130, 155, 172, 178, 208, 215, 248, 260, 310, 344, 356, 403, 430, 445, 496, 520, 559, 620, 688, 712, 806, 860, 890, 1040, 1118, 1157, 1240, 1333, 1424, 1612, 1720, 1780, 2015, 2236, 2314, 2480, 2666, 2759, 2795, 3224, 3440, 3560, 3827, 4030, 4472, 4628, 5332, 5518, 5590, 5785, 6448, 6665, 7120, 7654, 8060, 8944, 9256, 10664, 11036, 11180, 11570, 13330, 13795, 15308, 16120, 17329, 18512, 19135, 21328, 22072, 22360, 23140, 26660, 27590, 30616, 32240, 34658, 35867, 38270, 44144, 44720, 46280, 49751, 53320, 55180, 61232, 69316, 71734, 76540, 86645, 92560, 99502, 106640, 110360, 118637, 138632, 143468, 153080, 173290, 179335, 199004, 220720, 237274, 248755, 277264, 286936, 306160, 346580, 358670, 398008, 474548, 497510, 573872, 593185, 693160, 717340, 796016, 949096, 995020, 1186370, 1386320, 1434680, 1542281, 1898192, 1990040, 2372740, 2869360, 3084562, 3980080, 4745480, 6169124, 7711405, 9490960, 12338248, 15422810, 24676496, 30845620, 61691240, 123382480]

約数ペア:

[(1, 123382480), (2, 61691240), (4, 30845620), (5, 24676496), (8, 15422810), (10, 12338248), (13, 9490960), (16, 7711405), (20, 6169124), (26, 4745480), (31, 3980080), (40, 3084562), (43, 2869360), (52, 2372740), (62, 1990040), (65, 1898192), (80, 1542281), (86, 1434680), (89, 1386320), (104, 1186370), (124, 995020), (130, 949096), (155, 796016), (172, 717340), (178, 693160), (208, 593185), (215, 573872), (248, 497510), (260, 474548), (310, 398008), (344, 358670), (356, 346580), (403, 306160), (430, 286936), (445, 277264), (496, 248755), (520, 237274), (559, 220720), (620, 199004), (688, 179335), (712, 173290), (806, 153080), (860, 143468), (890, 138632), (1040, 118637), (1118, 110360), (1157, 106640), (1240, 99502), (1333, 92560), (1424, 86645), (1612, 76540), (1720, 71734), (1780, 69316), (2015, 61232), (2236, 55180), (2314, 53320), (2480, 49751), (2666, 46280), (2759, 44720), (2795, 44144), (3224, 38270), (3440, 35867), (3560, 34658), (3827, 32240), (4030, 30616), (4472, 27590), (4628, 26660), (5332, 23140), (5518, 22360), (5590, 22072), (5785, 21328), (6448, 19135), (6665, 18512), (7120, 17329), (7654, 16120), (8060, 15308), (8944, 13795), (9256, 13330), (10664, 11570), (11036, 11180)]