78870960

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{15649}}^1$

素因数の和:15675

約数の個数: 120

約数和(自身を含む): 302733600

約数和(自身を除く): 223862640

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 105, 112, 120, 126, 140, 144, 168, 180, 210, 240, 252, 280, 315, 336, 360, 420, 504, 560, 630, 720, 840, 1008, 1260, 1680, 2520, 5040, 15649, 31298, 46947, 62596, 78245, 93894, 109543, 125192, 140841, 156490, 187788, 219086, 234735, 250384, 281682, 312980, 328629, 375576, 438172, 469470, 547715, 563364, 625960, 657258, 704205, 751152, 876344, 938940, 985887, 1095430, 1126728, 1251920, 1314516, 1408410, 1643145, 1752688, 1877880, 1971774, 2190860, 2253456, 2629032, 2816820, 3286290, 3755760, 3943548, 4381720, 4929435, 5258064, 5633640, 6572580, 7887096, 8763440, 9858870, 11267280, 13145160, 15774192, 19717740, 26290320, 39435480, 78870960]

約数ペア:

[(1, 78870960), (2, 39435480), (3, 26290320), (4, 19717740), (5, 15774192), (6, 13145160), (7, 11267280), (8, 9858870), (9, 8763440), (10, 7887096), (12, 6572580), (14, 5633640), (15, 5258064), (16, 4929435), (18, 4381720), (20, 3943548), (21, 3755760), (24, 3286290), (28, 2816820), (30, 2629032), (35, 2253456), (36, 2190860), (40, 1971774), (42, 1877880), (45, 1752688), (48, 1643145), (56, 1408410), (60, 1314516), (63, 1251920), (70, 1126728), (72, 1095430), (80, 985887), (84, 938940), (90, 876344), (105, 751152), (112, 704205), (120, 657258), (126, 625960), (140, 563364), (144, 547715), (168, 469470), (180, 438172), (210, 375576), (240, 328629), (252, 312980), (280, 281682), (315, 250384), (336, 234735), (360, 219086), (420, 187788), (504, 156490), (560, 140841), (630, 125192), (720, 109543), (840, 93894), (1008, 78245), (1260, 62596), (1680, 46947), (2520, 31298), (5040, 15649)]