71753940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{179}}^1$

素因数の和:342

約数の個数: 144

約数和(自身を含む): 233513280

約数和(自身を除く): 161759340

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 30, 34, 36, 45, 51, 60, 68, 85, 90, 102, 131, 153, 170, 179, 180, 204, 255, 262, 306, 340, 358, 393, 510, 524, 537, 612, 655, 716, 765, 786, 895, 1020, 1074, 1179, 1310, 1530, 1572, 1611, 1790, 1965, 2148, 2227, 2358, 2620, 2685, 3043, 3060, 3222, 3580, 3930, 4454, 4716, 5370, 5895, 6086, 6444, 6681, 7860, 8055, 8908, 9129, 10740, 11135, 11790, 12172, 13362, 15215, 16110, 18258, 20043, 22270, 23449, 23580, 26724, 27387, 30430, 32220, 33405, 36516, 40086, 44540, 45645, 46898, 54774, 60860, 66810, 70347, 80172, 91290, 93796, 100215, 109548, 117245, 133620, 136935, 140694, 182580, 200430, 211041, 234490, 273870, 281388, 351735, 398633, 400860, 422082, 468980, 547740, 703470, 797266, 844164, 1055205, 1195899, 1406940, 1594532, 1993165, 2110410, 2391798, 3587697, 3986330, 4220820, 4783596, 5979495, 7175394, 7972660, 11958990, 14350788, 17938485, 23917980, 35876970, 71753940]

約数ペア:

[(1, 71753940), (2, 35876970), (3, 23917980), (4, 17938485), (5, 14350788), (6, 11958990), (9, 7972660), (10, 7175394), (12, 5979495), (15, 4783596), (17, 4220820), (18, 3986330), (20, 3587697), (30, 2391798), (34, 2110410), (36, 1993165), (45, 1594532), (51, 1406940), (60, 1195899), (68, 1055205), (85, 844164), (90, 797266), (102, 703470), (131, 547740), (153, 468980), (170, 422082), (179, 400860), (180, 398633), (204, 351735), (255, 281388), (262, 273870), (306, 234490), (340, 211041), (358, 200430), (393, 182580), (510, 140694), (524, 136935), (537, 133620), (612, 117245), (655, 109548), (716, 100215), (765, 93796), (786, 91290), (895, 80172), (1020, 70347), (1074, 66810), (1179, 60860), (1310, 54774), (1530, 46898), (1572, 45645), (1611, 44540), (1790, 40086), (1965, 36516), (2148, 33405), (2227, 32220), (2358, 30430), (2620, 27387), (2685, 26724), (3043, 23580), (3060, 23449), (3222, 22270), (3580, 20043), (3930, 18258), (4454, 16110), (4716, 15215), (5370, 13362), (5895, 12172), (6086, 11790), (6444, 11135), (6681, 10740), (7860, 9129), (8055, 8908)]