40747980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{439}}^1$

素因数の和:488

約数の個数: 192

約数和(自身を含む): 149022720

約数和(自身を除く): 108274740

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 17, 20, 21, 26, 28, 30, 34, 35, 39, 42, 51, 52, 60, 65, 68, 70, 78, 84, 85, 91, 102, 105, 119, 130, 140, 156, 170, 182, 195, 204, 210, 221, 238, 255, 260, 273, 340, 357, 364, 390, 420, 439, 442, 455, 476, 510, 546, 595, 663, 714, 780, 878, 884, 910, 1020, 1092, 1105, 1190, 1317, 1326, 1365, 1428, 1547, 1756, 1785, 1820, 2195, 2210, 2380, 2634, 2652, 2730, 3073, 3094, 3315, 3570, 4390, 4420, 4641, 5268, 5460, 5707, 6146, 6188, 6585, 6630, 7140, 7463, 7735, 8780, 9219, 9282, 11414, 12292, 13170, 13260, 14926, 15365, 15470, 17121, 18438, 18564, 22389, 22828, 23205, 26340, 28535, 29852, 30730, 30940, 34242, 36876, 37315, 39949, 44778, 46095, 46410, 52241, 57070, 61460, 68484, 74630, 79898, 85605, 89556, 92190, 92820, 97019, 104482, 111945, 114140, 119847, 149260, 156723, 159796, 171210, 184380, 194038, 199745, 208964, 223890, 239694, 261205, 291057, 313446, 342420, 388076, 399490, 447780, 479388, 485095, 522410, 582114, 599235, 626892, 679133, 783615, 798980, 970190, 1044820, 1164228, 1198470, 1358266, 1455285, 1567230, 1940380, 2037399, 2396940, 2716532, 2910570, 3134460, 3395665, 4074798, 5821140, 6791330, 8149596, 10186995, 13582660, 20373990, 40747980]

約数ペア:

[(1, 40747980), (2, 20373990), (3, 13582660), (4, 10186995), (5, 8149596), (6, 6791330), (7, 5821140), (10, 4074798), (12, 3395665), (13, 3134460), (14, 2910570), (15, 2716532), (17, 2396940), (20, 2037399), (21, 1940380), (26, 1567230), (28, 1455285), (30, 1358266), (34, 1198470), (35, 1164228), (39, 1044820), (42, 970190), (51, 798980), (52, 783615), (60, 679133), (65, 626892), (68, 599235), (70, 582114), (78, 522410), (84, 485095), (85, 479388), (91, 447780), (102, 399490), (105, 388076), (119, 342420), (130, 313446), (140, 291057), (156, 261205), (170, 239694), (182, 223890), (195, 208964), (204, 199745), (210, 194038), (221, 184380), (238, 171210), (255, 159796), (260, 156723), (273, 149260), (340, 119847), (357, 114140), (364, 111945), (390, 104482), (420, 97019), (439, 92820), (442, 92190), (455, 89556), (476, 85605), (510, 79898), (546, 74630), (595, 68484), (663, 61460), (714, 57070), (780, 52241), (878, 46410), (884, 46095), (910, 44778), (1020, 39949), (1092, 37315), (1105, 36876), (1190, 34242), (1317, 30940), (1326, 30730), (1365, 29852), (1428, 28535), (1547, 26340), (1756, 23205), (1785, 22828), (1820, 22389), (2195, 18564), (2210, 18438), (2380, 17121), (2634, 15470), (2652, 15365), (2730, 14926), (3073, 13260), (3094, 13170), (3315, 12292), (3570, 11414), (4390, 9282), (4420, 9219), (4641, 8780), (5268, 7735), (5460, 7463), (5707, 7140), (6146, 6630), (6188, 6585)]