39855480

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{2791}}^1$

素因数の和:2829

約数の個数: 128

約数和(自身を含む): 144737280

約数和(自身を除く): 104881800

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 17, 20, 21, 24, 28, 30, 34, 35, 40, 42, 51, 56, 60, 68, 70, 84, 85, 102, 105, 119, 120, 136, 140, 168, 170, 204, 210, 238, 255, 280, 340, 357, 408, 420, 476, 510, 595, 680, 714, 840, 952, 1020, 1190, 1428, 1785, 2040, 2380, 2791, 2856, 3570, 4760, 5582, 7140, 8373, 11164, 13955, 14280, 16746, 19537, 22328, 27910, 33492, 39074, 41865, 47447, 55820, 58611, 66984, 78148, 83730, 94894, 97685, 111640, 117222, 142341, 156296, 167460, 189788, 195370, 234444, 237235, 284682, 293055, 332129, 334920, 379576, 390740, 468888, 474470, 569364, 586110, 664258, 711705, 781480, 948940, 996387, 1138728, 1172220, 1328516, 1423410, 1660645, 1897880, 1992774, 2344440, 2657032, 2846820, 3321290, 3985548, 4981935, 5693640, 6642580, 7971096, 9963870, 13285160, 19927740, 39855480]

約数ペア:

[(1, 39855480), (2, 19927740), (3, 13285160), (4, 9963870), (5, 7971096), (6, 6642580), (7, 5693640), (8, 4981935), (10, 3985548), (12, 3321290), (14, 2846820), (15, 2657032), (17, 2344440), (20, 1992774), (21, 1897880), (24, 1660645), (28, 1423410), (30, 1328516), (34, 1172220), (35, 1138728), (40, 996387), (42, 948940), (51, 781480), (56, 711705), (60, 664258), (68, 586110), (70, 569364), (84, 474470), (85, 468888), (102, 390740), (105, 379576), (119, 334920), (120, 332129), (136, 293055), (140, 284682), (168, 237235), (170, 234444), (204, 195370), (210, 189788), (238, 167460), (255, 156296), (280, 142341), (340, 117222), (357, 111640), (408, 97685), (420, 94894), (476, 83730), (510, 78148), (595, 66984), (680, 58611), (714, 55820), (840, 47447), (952, 41865), (1020, 39074), (1190, 33492), (1428, 27910), (1785, 22328), (2040, 19537), (2380, 16746), (2791, 14280), (2856, 13955), (3570, 11164), (4760, 8373), (5582, 7140)]