120746240

素因数分解:

$2^8\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{179}}^1$

素因数の和:248

約数の個数: 144

約数和(自身を含む): 317882880

約数和(自身を除く): 197136640

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 31, 32, 34, 40, 62, 64, 68, 80, 85, 124, 128, 136, 155, 160, 170, 179, 248, 256, 272, 310, 320, 340, 358, 496, 527, 544, 620, 640, 680, 716, 895, 992, 1054, 1088, 1240, 1280, 1360, 1432, 1790, 1984, 2108, 2176, 2480, 2635, 2720, 2864, 3043, 3580, 3968, 4216, 4352, 4960, 5270, 5440, 5549, 5728, 6086, 7160, 7936, 8432, 9920, 10540, 10880, 11098, 11456, 12172, 14320, 15215, 16864, 19840, 21080, 21760, 22196, 22912, 24344, 27745, 28640, 30430, 33728, 39680, 42160, 44392, 45824, 48688, 55490, 57280, 60860, 67456, 84320, 88784, 94333, 97376, 110980, 114560, 121720, 134912, 168640, 177568, 188666, 194752, 221960, 229120, 243440, 337280, 355136, 377332, 389504, 443920, 471665, 486880, 674560, 710272, 754664, 779008, 887840, 943330, 973760, 1420544, 1509328, 1775680, 1886660, 1947520, 3018656, 3551360, 3773320, 3895040, 6037312, 7102720, 7546640, 12074624, 15093280, 24149248, 30186560, 60373120, 120746240]

約数ペア:

[(1, 120746240), (2, 60373120), (4, 30186560), (5, 24149248), (8, 15093280), (10, 12074624), (16, 7546640), (17, 7102720), (20, 6037312), (31, 3895040), (32, 3773320), (34, 3551360), (40, 3018656), (62, 1947520), (64, 1886660), (68, 1775680), (80, 1509328), (85, 1420544), (124, 973760), (128, 943330), (136, 887840), (155, 779008), (160, 754664), (170, 710272), (179, 674560), (248, 486880), (256, 471665), (272, 443920), (310, 389504), (320, 377332), (340, 355136), (358, 337280), (496, 243440), (527, 229120), (544, 221960), (620, 194752), (640, 188666), (680, 177568), (716, 168640), (895, 134912), (992, 121720), (1054, 114560), (1088, 110980), (1240, 97376), (1280, 94333), (1360, 88784), (1432, 84320), (1790, 67456), (1984, 60860), (2108, 57280), (2176, 55490), (2480, 48688), (2635, 45824), (2720, 44392), (2864, 42160), (3043, 39680), (3580, 33728), (3968, 30430), (4216, 28640), (4352, 27745), (4960, 24344), (5270, 22912), (5440, 22196), (5549, 21760), (5728, 21080), (6086, 19840), (7160, 16864), (7936, 15215), (8432, 14320), (9920, 12172), (10540, 11456), (10880, 11098)]