285235860

素因数分解:

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

素因数の和:495

約数の個数: 288

約数和(自身を含む): 1061786880

約数和(自身を除く): 776551020

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, 49, 51, 52, 60, 65, 68, 70, 78, 84, 85, 91, 98, 102, 105, 119, 130, 140, 147, 156, 170, 182, 195, 196, 204, 210, 221, 238, 245, 255, 260, 273, 294, 340, 357, 364, 390, 420, 439, 442, 455, 476, 490, 510, 546, 588, 595, 637, 663, 714, 735, 780, 833, 878, 884, 910, 980, 1020, 1092, 1105, 1190, 1274, 1317, 1326, 1365, 1428, 1470, 1547, 1666, 1756, 1785, 1820, 1911, 2195, 2210, 2380, 2499, 2548, 2634, 2652, 2730, 2940, 3073, 3094, 3185, 3315, 3332, 3570, 3822, 4165, 4390, 4420, 4641, 4998, 5268, 5460, 5707, 6146, 6188, 6370, 6585, 6630, 7140, 7463, 7644, 7735, 8330, 8780, 9219, 9282, 9555, 9996, 10829, 11414, 12292, 12495, 12740, 13170, 13260, 14926, 15365, 15470, 16660, 17121, 18438, 18564, 19110, 21511, 21658, 22389, 22828, 23205, 24990, 26340, 28535, 29852, 30730, 30940, 32487, 34242, 36876, 37315, 38220, 39949, 43022, 43316, 44778, 46095, 46410, 49980, 52241, 54145, 57070, 61460, 64533, 64974, 68484, 74630, 79898, 85605, 86044, 89556, 92190, 92820, 97019, 104482, 107555, 108290, 111945, 114140, 119847, 129066, 129948, 149260, 156723, 159796, 162435, 171210, 184380, 194038, 199745, 208964, 215110, 216580, 223890, 239694, 258132, 261205, 279643, 291057, 313446, 322665, 324870, 342420, 365687, 388076, 399490, 430220, 447780, 479388, 485095, 522410, 559286, 582114, 599235, 626892, 645330, 649740, 679133, 731374, 783615, 798980, 838929, 970190, 1044820, 1097061, 1118572, 1164228, 1198470, 1290660, 1358266, 1398215, 1455285, 1462748, 1567230, 1677858, 1828435, 1940380, 2037399, 2194122, 2396940, 2716532, 2796430, 2910570, 3134460, 3355716, 3395665, 3656870, 4074798, 4194645, 4388244, 4753931, 5485305, 5592860, 5821140, 6791330, 7313740, 8149596, 8389290, 9507862, 10186995, 10970610, 13582660, 14261793, 16778580, 19015724, 20373990, 21941220, 23769655, 28523586, 40747980, 47539310, 57047172, 71308965, 95078620, 142617930, 285235860]

約数ペア:

[(1, 285235860), (2, 142617930), (3, 95078620), (4, 71308965), (5, 57047172), (6, 47539310), (7, 40747980), (10, 28523586), (12, 23769655), (13, 21941220), (14, 20373990), (15, 19015724), (17, 16778580), (20, 14261793), (21, 13582660), (26, 10970610), (28, 10186995), (30, 9507862), (34, 8389290), (35, 8149596), (39, 7313740), (42, 6791330), (49, 5821140), (51, 5592860), (52, 5485305), (60, 4753931), (65, 4388244), (68, 4194645), (70, 4074798), (78, 3656870), (84, 3395665), (85, 3355716), (91, 3134460), (98, 2910570), (102, 2796430), (105, 2716532), (119, 2396940), (130, 2194122), (140, 2037399), (147, 1940380), (156, 1828435), (170, 1677858), (182, 1567230), (195, 1462748), (196, 1455285), (204, 1398215), (210, 1358266), (221, 1290660), (238, 1198470), (245, 1164228), (255, 1118572), (260, 1097061), (273, 1044820), (294, 970190), (340, 838929), (357, 798980), (364, 783615), (390, 731374), (420, 679133), (439, 649740), (442, 645330), (455, 626892), (476, 599235), (490, 582114), (510, 559286), (546, 522410), (588, 485095), (595, 479388), (637, 447780), (663, 430220), (714, 399490), (735, 388076), (780, 365687), (833, 342420), (878, 324870), (884, 322665), (910, 313446), (980, 291057), (1020, 279643), (1092, 261205), (1105, 258132), (1190, 239694), (1274, 223890), (1317, 216580), (1326, 215110), (1365, 208964), (1428, 199745), (1470, 194038), (1547, 184380), (1666, 171210), (1756, 162435), (1785, 159796), (1820, 156723), (1911, 149260), (2195, 129948), (2210, 129066), (2380, 119847), (2499, 114140), (2548, 111945), (2634, 108290), (2652, 107555), (2730, 104482), (2940, 97019), (3073, 92820), (3094, 92190), (3185, 89556), (3315, 86044), (3332, 85605), (3570, 79898), (3822, 74630), (4165, 68484), (4390, 64974), (4420, 64533), (4641, 61460), (4998, 57070), (5268, 54145), (5460, 52241), (5707, 49980), (6146, 46410), (6188, 46095), (6370, 44778), (6585, 43316), (6630, 43022), (7140, 39949), (7463, 38220), (7644, 37315), (7735, 36876), (8330, 34242), (8780, 32487), (9219, 30940), (9282, 30730), (9555, 29852), (9996, 28535), (10829, 26340), (11414, 24990), (12292, 23205), (12495, 22828), (12740, 22389), (13170, 21658), (13260, 21511), (14926, 19110), (15365, 18564), (15470, 18438), (16660, 17121)]