78432760

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{641}}^1$

素因数の和:701

約数の個数: 128

約数和(自身を含む): 221875200

約数和(自身を除く): 143442440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 23, 28, 35, 38, 40, 46, 56, 70, 76, 92, 95, 115, 133, 140, 152, 161, 184, 190, 230, 266, 280, 322, 380, 437, 460, 532, 641, 644, 665, 760, 805, 874, 920, 1064, 1282, 1288, 1330, 1610, 1748, 2185, 2564, 2660, 3059, 3205, 3220, 3496, 4370, 4487, 5128, 5320, 6118, 6410, 6440, 8740, 8974, 12179, 12236, 12820, 14743, 15295, 17480, 17948, 22435, 24358, 24472, 25640, 29486, 30590, 35896, 44870, 48716, 58972, 60895, 61180, 73715, 85253, 89740, 97432, 103201, 117944, 121790, 122360, 147430, 170506, 179480, 206402, 243580, 280117, 294860, 341012, 412804, 426265, 487160, 516005, 560234, 589720, 682024, 825608, 852530, 1032010, 1120468, 1400585, 1705060, 1960819, 2064020, 2240936, 2801170, 3410120, 3921638, 4128040, 5602340, 7843276, 9804095, 11204680, 15686552, 19608190, 39216380, 78432760]

約数ペア:

[(1, 78432760), (2, 39216380), (4, 19608190), (5, 15686552), (7, 11204680), (8, 9804095), (10, 7843276), (14, 5602340), (19, 4128040), (20, 3921638), (23, 3410120), (28, 2801170), (35, 2240936), (38, 2064020), (40, 1960819), (46, 1705060), (56, 1400585), (70, 1120468), (76, 1032010), (92, 852530), (95, 825608), (115, 682024), (133, 589720), (140, 560234), (152, 516005), (161, 487160), (184, 426265), (190, 412804), (230, 341012), (266, 294860), (280, 280117), (322, 243580), (380, 206402), (437, 179480), (460, 170506), (532, 147430), (641, 122360), (644, 121790), (665, 117944), (760, 103201), (805, 97432), (874, 89740), (920, 85253), (1064, 73715), (1282, 61180), (1288, 60895), (1330, 58972), (1610, 48716), (1748, 44870), (2185, 35896), (2564, 30590), (2660, 29486), (3059, 25640), (3205, 24472), (3220, 24358), (3496, 22435), (4370, 17948), (4487, 17480), (5128, 15295), (5320, 14743), (6118, 12820), (6410, 12236), (6440, 12179), (8740, 8974)]