78915060

素因数分解:

$2^2\times 3^4\times 5^1\times 7^1\times {\mathrm{6959}}^1$

素因数の和:6987

約数の個数: 120

約数和(自身を含む): 282965760

約数和(自身を除く): 204050700

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 70, 81, 84, 90, 105, 108, 126, 135, 140, 162, 180, 189, 210, 252, 270, 315, 324, 378, 405, 420, 540, 567, 630, 756, 810, 945, 1134, 1260, 1620, 1890, 2268, 2835, 3780, 5670, 6959, 11340, 13918, 20877, 27836, 34795, 41754, 48713, 62631, 69590, 83508, 97426, 104385, 125262, 139180, 146139, 187893, 194852, 208770, 243565, 250524, 292278, 313155, 375786, 417540, 438417, 487130, 563679, 584556, 626310, 730695, 751572, 876834, 939465, 974260, 1127358, 1252620, 1315251, 1461390, 1753668, 1878930, 2192085, 2254716, 2630502, 2818395, 2922780, 3757860, 3945753, 4384170, 5261004, 5636790, 6576255, 7891506, 8768340, 11273580, 13152510, 15783012, 19728765, 26305020, 39457530, 78915060]

約数ペア:

[(1, 78915060), (2, 39457530), (3, 26305020), (4, 19728765), (5, 15783012), (6, 13152510), (7, 11273580), (9, 8768340), (10, 7891506), (12, 6576255), (14, 5636790), (15, 5261004), (18, 4384170), (20, 3945753), (21, 3757860), (27, 2922780), (28, 2818395), (30, 2630502), (35, 2254716), (36, 2192085), (42, 1878930), (45, 1753668), (54, 1461390), (60, 1315251), (63, 1252620), (70, 1127358), (81, 974260), (84, 939465), (90, 876834), (105, 751572), (108, 730695), (126, 626310), (135, 584556), (140, 563679), (162, 487130), (180, 438417), (189, 417540), (210, 375786), (252, 313155), (270, 292278), (315, 250524), (324, 243565), (378, 208770), (405, 194852), (420, 187893), (540, 146139), (567, 139180), (630, 125262), (756, 104385), (810, 97426), (945, 83508), (1134, 69590), (1260, 62631), (1620, 48713), (1890, 41754), (2268, 34795), (2835, 27836), (3780, 20877), (5670, 13918), (6959, 11340)]