78661380

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{479}}^1$

素因数の和:538

約数の個数: 192

約数和(自身を含む): 278691840

約数和(自身を除く): 200030460

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 17, 20, 21, 23, 28, 30, 34, 35, 42, 46, 51, 60, 68, 69, 70, 84, 85, 92, 102, 105, 115, 119, 138, 140, 161, 170, 204, 210, 230, 238, 255, 276, 322, 340, 345, 357, 391, 420, 460, 476, 479, 483, 510, 595, 644, 690, 714, 782, 805, 958, 966, 1020, 1173, 1190, 1380, 1428, 1437, 1564, 1610, 1785, 1916, 1932, 1955, 2346, 2380, 2395, 2415, 2737, 2874, 3220, 3353, 3570, 3910, 4692, 4790, 4830, 5474, 5748, 5865, 6706, 7140, 7185, 7820, 8143, 8211, 9580, 9660, 10059, 10948, 11017, 11730, 13412, 13685, 14370, 16286, 16422, 16765, 20118, 22034, 23460, 24429, 27370, 28740, 32572, 32844, 33051, 33530, 40236, 40715, 41055, 44068, 48858, 50295, 54740, 55085, 57001, 66102, 67060, 77119, 81430, 82110, 97716, 100590, 110170, 114002, 122145, 132204, 154238, 162860, 164220, 165255, 171003, 187289, 201180, 220340, 228004, 231357, 244290, 285005, 308476, 330510, 342006, 374578, 385595, 462714, 488580, 561867, 570010, 661020, 684012, 749156, 771190, 855015, 925428, 936445, 1123734, 1140020, 1156785, 1311023, 1542380, 1710030, 1872890, 2247468, 2313570, 2622046, 2809335, 3420060, 3745780, 3933069, 4627140, 5244092, 5618670, 6555115, 7866138, 11237340, 13110230, 15732276, 19665345, 26220460, 39330690, 78661380]

約数ペア:

[(1, 78661380), (2, 39330690), (3, 26220460), (4, 19665345), (5, 15732276), (6, 13110230), (7, 11237340), (10, 7866138), (12, 6555115), (14, 5618670), (15, 5244092), (17, 4627140), (20, 3933069), (21, 3745780), (23, 3420060), (28, 2809335), (30, 2622046), (34, 2313570), (35, 2247468), (42, 1872890), (46, 1710030), (51, 1542380), (60, 1311023), (68, 1156785), (69, 1140020), (70, 1123734), (84, 936445), (85, 925428), (92, 855015), (102, 771190), (105, 749156), (115, 684012), (119, 661020), (138, 570010), (140, 561867), (161, 488580), (170, 462714), (204, 385595), (210, 374578), (230, 342006), (238, 330510), (255, 308476), (276, 285005), (322, 244290), (340, 231357), (345, 228004), (357, 220340), (391, 201180), (420, 187289), (460, 171003), (476, 165255), (479, 164220), (483, 162860), (510, 154238), (595, 132204), (644, 122145), (690, 114002), (714, 110170), (782, 100590), (805, 97716), (958, 82110), (966, 81430), (1020, 77119), (1173, 67060), (1190, 66102), (1380, 57001), (1428, 55085), (1437, 54740), (1564, 50295), (1610, 48858), (1785, 44068), (1916, 41055), (1932, 40715), (1955, 40236), (2346, 33530), (2380, 33051), (2395, 32844), (2415, 32572), (2737, 28740), (2874, 27370), (3220, 24429), (3353, 23460), (3570, 22034), (3910, 20118), (4692, 16765), (4790, 16422), (4830, 16286), (5474, 14370), (5748, 13685), (5865, 13412), (6706, 11730), (7140, 11017), (7185, 10948), (7820, 10059), (8143, 9660), (8211, 9580)]