78354640

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{229}}^1$

素因数の和:309

約数の個数: 160

約数和(自身を含む): 229985280

約数和(自身を除く): 151630640

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 47, 52, 56, 65, 70, 80, 91, 94, 104, 112, 130, 140, 182, 188, 208, 229, 235, 260, 280, 329, 364, 376, 455, 458, 470, 520, 560, 611, 658, 728, 752, 910, 916, 940, 1040, 1145, 1222, 1316, 1456, 1603, 1645, 1820, 1832, 1880, 2290, 2444, 2632, 2977, 3055, 3206, 3290, 3640, 3664, 3760, 4277, 4580, 4888, 5264, 5954, 6110, 6412, 6580, 7280, 8015, 8554, 9160, 9776, 10763, 11908, 12220, 12824, 13160, 14885, 16030, 17108, 18320, 20839, 21385, 21526, 23816, 24440, 25648, 26320, 29770, 32060, 34216, 41678, 42770, 43052, 47632, 48880, 53815, 59540, 64120, 68432, 75341, 83356, 85540, 86104, 104195, 107630, 119080, 128240, 139919, 150682, 166712, 171080, 172208, 208390, 215260, 238160, 279838, 301364, 333424, 342160, 376705, 416780, 430520, 559676, 602728, 699595, 753410, 833560, 861040, 979433, 1119352, 1205456, 1399190, 1506820, 1667120, 1958866, 2238704, 2798380, 3013640, 3917732, 4897165, 5596760, 6027280, 7835464, 9794330, 11193520, 15670928, 19588660, 39177320, 78354640]

約数ペア:

[(1, 78354640), (2, 39177320), (4, 19588660), (5, 15670928), (7, 11193520), (8, 9794330), (10, 7835464), (13, 6027280), (14, 5596760), (16, 4897165), (20, 3917732), (26, 3013640), (28, 2798380), (35, 2238704), (40, 1958866), (47, 1667120), (52, 1506820), (56, 1399190), (65, 1205456), (70, 1119352), (80, 979433), (91, 861040), (94, 833560), (104, 753410), (112, 699595), (130, 602728), (140, 559676), (182, 430520), (188, 416780), (208, 376705), (229, 342160), (235, 333424), (260, 301364), (280, 279838), (329, 238160), (364, 215260), (376, 208390), (455, 172208), (458, 171080), (470, 166712), (520, 150682), (560, 139919), (611, 128240), (658, 119080), (728, 107630), (752, 104195), (910, 86104), (916, 85540), (940, 83356), (1040, 75341), (1145, 68432), (1222, 64120), (1316, 59540), (1456, 53815), (1603, 48880), (1645, 47632), (1820, 43052), (1832, 42770), (1880, 41678), (2290, 34216), (2444, 32060), (2632, 29770), (2977, 26320), (3055, 25648), (3206, 24440), (3290, 23816), (3640, 21526), (3664, 21385), (3760, 20839), (4277, 18320), (4580, 17108), (4888, 16030), (5264, 14885), (5954, 13160), (6110, 12824), (6412, 12220), (6580, 11908), (7280, 10763), (8015, 9776), (8554, 9160)]