157741920

素因数分解:

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

素因数の和:15677

約数の個数: 144

約数和(自身を含む): 615232800

約数和(自身を除く): 457490880

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 140, 144, 160, 168, 180, 210, 224, 240, 252, 280, 288, 315, 336, 360, 420, 480, 504, 560, 630, 672, 720, 840, 1008, 1120, 1260, 1440, 1680, 2016, 2520, 3360, 5040, 10080, 15649, 31298, 46947, 62596, 78245, 93894, 109543, 125192, 140841, 156490, 187788, 219086, 234735, 250384, 281682, 312980, 328629, 375576, 438172, 469470, 500768, 547715, 563364, 625960, 657258, 704205, 751152, 876344, 938940, 985887, 1095430, 1126728, 1251920, 1314516, 1408410, 1502304, 1643145, 1752688, 1877880, 1971774, 2190860, 2253456, 2503840, 2629032, 2816820, 3286290, 3505376, 3755760, 3943548, 4381720, 4506912, 4929435, 5258064, 5633640, 6572580, 7511520, 7887096, 8763440, 9858870, 10516128, 11267280, 13145160, 15774192, 17526880, 19717740, 22534560, 26290320, 31548384, 39435480, 52580640, 78870960, 157741920]

約数ペア:

[(1, 157741920), (2, 78870960), (3, 52580640), (4, 39435480), (5, 31548384), (6, 26290320), (7, 22534560), (8, 19717740), (9, 17526880), (10, 15774192), (12, 13145160), (14, 11267280), (15, 10516128), (16, 9858870), (18, 8763440), (20, 7887096), (21, 7511520), (24, 6572580), (28, 5633640), (30, 5258064), (32, 4929435), (35, 4506912), (36, 4381720), (40, 3943548), (42, 3755760), (45, 3505376), (48, 3286290), (56, 2816820), (60, 2629032), (63, 2503840), (70, 2253456), (72, 2190860), (80, 1971774), (84, 1877880), (90, 1752688), (96, 1643145), (105, 1502304), (112, 1408410), (120, 1314516), (126, 1251920), (140, 1126728), (144, 1095430), (160, 985887), (168, 938940), (180, 876344), (210, 751152), (224, 704205), (240, 657258), (252, 625960), (280, 563364), (288, 547715), (315, 500768), (336, 469470), (360, 438172), (420, 375576), (480, 328629), (504, 312980), (560, 281682), (630, 250384), (672, 234735), (720, 219086), (840, 187788), (1008, 156490), (1120, 140841), (1260, 125192), (1440, 109543), (1680, 93894), (2016, 78245), (2520, 62596), (3360, 46947), (5040, 31298), (10080, 15649)]