42721560

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{5651}}^1$

素因数の和:5678

約数の個数: 128

約数和(自身を含む): 162777600

約数和(自身を除く): 120056040

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 54, 56, 60, 63, 70, 72, 84, 90, 105, 108, 120, 126, 135, 140, 168, 180, 189, 210, 216, 252, 270, 280, 315, 360, 378, 420, 504, 540, 630, 756, 840, 945, 1080, 1260, 1512, 1890, 2520, 3780, 5651, 7560, 11302, 16953, 22604, 28255, 33906, 39557, 45208, 50859, 56510, 67812, 79114, 84765, 101718, 113020, 118671, 135624, 152577, 158228, 169530, 197785, 203436, 226040, 237342, 254295, 305154, 316456, 339060, 356013, 395570, 406872, 474684, 508590, 593355, 610308, 678120, 712026, 762885, 791140, 949368, 1017180, 1068039, 1186710, 1220616, 1424052, 1525770, 1582280, 1780065, 2034360, 2136078, 2373420, 2848104, 3051540, 3560130, 4272156, 4746840, 5340195, 6103080, 7120260, 8544312, 10680390, 14240520, 21360780, 42721560]

約数ペア:

[(1, 42721560), (2, 21360780), (3, 14240520), (4, 10680390), (5, 8544312), (6, 7120260), (7, 6103080), (8, 5340195), (9, 4746840), (10, 4272156), (12, 3560130), (14, 3051540), (15, 2848104), (18, 2373420), (20, 2136078), (21, 2034360), (24, 1780065), (27, 1582280), (28, 1525770), (30, 1424052), (35, 1220616), (36, 1186710), (40, 1068039), (42, 1017180), (45, 949368), (54, 791140), (56, 762885), (60, 712026), (63, 678120), (70, 610308), (72, 593355), (84, 508590), (90, 474684), (105, 406872), (108, 395570), (120, 356013), (126, 339060), (135, 316456), (140, 305154), (168, 254295), (180, 237342), (189, 226040), (210, 203436), (216, 197785), (252, 169530), (270, 158228), (280, 152577), (315, 135624), (360, 118671), (378, 113020), (420, 101718), (504, 84765), (540, 79114), (630, 67812), (756, 56510), (840, 50859), (945, 45208), (1080, 39557), (1260, 33906), (1512, 28255), (1890, 22604), (2520, 16953), (3780, 11302), (5651, 7560)]