30821040

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{751}}^1$

素因数の和:792

約数の個数: 160

約数和(自身を含む): 111897600

約数和(自身を除く): 81076560

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 27, 30, 36, 38, 40, 45, 48, 54, 57, 60, 72, 76, 80, 90, 95, 108, 114, 120, 135, 144, 152, 171, 180, 190, 216, 228, 240, 270, 285, 304, 342, 360, 380, 432, 456, 513, 540, 570, 684, 720, 751, 760, 855, 912, 1026, 1080, 1140, 1368, 1502, 1520, 1710, 2052, 2160, 2253, 2280, 2565, 2736, 3004, 3420, 3755, 4104, 4506, 4560, 5130, 6008, 6759, 6840, 7510, 8208, 9012, 10260, 11265, 12016, 13518, 13680, 14269, 15020, 18024, 20277, 20520, 22530, 27036, 28538, 30040, 33795, 36048, 40554, 41040, 42807, 45060, 54072, 57076, 60080, 67590, 71345, 81108, 85614, 90120, 101385, 108144, 114152, 128421, 135180, 142690, 162216, 171228, 180240, 202770, 214035, 228304, 256842, 270360, 285380, 324432, 342456, 385263, 405540, 428070, 513684, 540720, 570760, 642105, 684912, 770526, 811080, 856140, 1027368, 1141520, 1284210, 1541052, 1622160, 1712280, 1926315, 2054736, 2568420, 3082104, 3424560, 3852630, 5136840, 6164208, 7705260, 10273680, 15410520, 30821040]

約数ペア:

[(1, 30821040), (2, 15410520), (3, 10273680), (4, 7705260), (5, 6164208), (6, 5136840), (8, 3852630), (9, 3424560), (10, 3082104), (12, 2568420), (15, 2054736), (16, 1926315), (18, 1712280), (19, 1622160), (20, 1541052), (24, 1284210), (27, 1141520), (30, 1027368), (36, 856140), (38, 811080), (40, 770526), (45, 684912), (48, 642105), (54, 570760), (57, 540720), (60, 513684), (72, 428070), (76, 405540), (80, 385263), (90, 342456), (95, 324432), (108, 285380), (114, 270360), (120, 256842), (135, 228304), (144, 214035), (152, 202770), (171, 180240), (180, 171228), (190, 162216), (216, 142690), (228, 135180), (240, 128421), (270, 114152), (285, 108144), (304, 101385), (342, 90120), (360, 85614), (380, 81108), (432, 71345), (456, 67590), (513, 60080), (540, 57076), (570, 54072), (684, 45060), (720, 42807), (751, 41040), (760, 40554), (855, 36048), (912, 33795), (1026, 30040), (1080, 28538), (1140, 27036), (1368, 22530), (1502, 20520), (1520, 20277), (1710, 18024), (2052, 15020), (2160, 14269), (2253, 13680), (2280, 13518), (2565, 12016), (2736, 11265), (3004, 10260), (3420, 9012), (3755, 8208), (4104, 7510), (4506, 6840), (4560, 6759), (5130, 6008)]