221554710

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1$

素因数の和:172

約数の個数: 256

約数和(自身を含む): 696729600

約数和(自身を除く): 475174890

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 17, 18, 26, 27, 30, 34, 39, 45, 47, 51, 54, 65, 78, 79, 85, 90, 94, 102, 117, 130, 135, 141, 153, 158, 170, 195, 221, 234, 235, 237, 255, 270, 282, 306, 351, 390, 395, 423, 442, 459, 470, 474, 510, 585, 611, 663, 702, 705, 711, 765, 790, 799, 846, 918, 1027, 1105, 1170, 1185, 1222, 1269, 1326, 1343, 1410, 1422, 1530, 1598, 1755, 1833, 1989, 2054, 2115, 2133, 2210, 2295, 2370, 2397, 2538, 2686, 3055, 3081, 3315, 3510, 3555, 3666, 3713, 3978, 3995, 4029, 4230, 4266, 4590, 4794, 5135, 5499, 5967, 6110, 6162, 6345, 6630, 6715, 7110, 7191, 7426, 7990, 8058, 9165, 9243, 9945, 10270, 10387, 10665, 10998, 11139, 11934, 11985, 12087, 12690, 13430, 14382, 15405, 16497, 17459, 18330, 18486, 18565, 19890, 20145, 20774, 21330, 21573, 22278, 23970, 24174, 27495, 27729, 29835, 30810, 31161, 32994, 33417, 34918, 35955, 36261, 37130, 40290, 43146, 46215, 48269, 51935, 52377, 54990, 55458, 55695, 59670, 60435, 62322, 63121, 66834, 71910, 72522, 82485, 87295, 92430, 93483, 96538, 100251, 103870, 104754, 107865, 111390, 120870, 126242, 138645, 144807, 155805, 157131, 164970, 167085, 174590, 181305, 186966, 189363, 200502, 215730, 241345, 261885, 277290, 280449, 289614, 311610, 314262, 315605, 334170, 362610, 378726, 434421, 467415, 471393, 482690, 501255, 523770, 560898, 568089, 631210, 724035, 785655, 820573, 868842, 934830, 942786, 946815, 1002510, 1136178, 1303263, 1402245, 1448070, 1571310, 1641146, 1704267, 1893630, 2172105, 2356965, 2461719, 2606526, 2804490, 2840445, 3408534, 4102865, 4344210, 4713930, 4923438, 5680890, 6516315, 7385157, 8205730, 8521335, 12308595, 13032630, 14770314, 17042670, 22155471, 24617190, 36925785, 44310942, 73851570, 110777355, 221554710]

約数ペア:

[(1, 221554710), (2, 110777355), (3, 73851570), (5, 44310942), (6, 36925785), (9, 24617190), (10, 22155471), (13, 17042670), (15, 14770314), (17, 13032630), (18, 12308595), (26, 8521335), (27, 8205730), (30, 7385157), (34, 6516315), (39, 5680890), (45, 4923438), (47, 4713930), (51, 4344210), (54, 4102865), (65, 3408534), (78, 2840445), (79, 2804490), (85, 2606526), (90, 2461719), (94, 2356965), (102, 2172105), (117, 1893630), (130, 1704267), (135, 1641146), (141, 1571310), (153, 1448070), (158, 1402245), (170, 1303263), (195, 1136178), (221, 1002510), (234, 946815), (235, 942786), (237, 934830), (255, 868842), (270, 820573), (282, 785655), (306, 724035), (351, 631210), (390, 568089), (395, 560898), (423, 523770), (442, 501255), (459, 482690), (470, 471393), (474, 467415), (510, 434421), (585, 378726), (611, 362610), (663, 334170), (702, 315605), (705, 314262), (711, 311610), (765, 289614), (790, 280449), (799, 277290), (846, 261885), (918, 241345), (1027, 215730), (1105, 200502), (1170, 189363), (1185, 186966), (1222, 181305), (1269, 174590), (1326, 167085), (1343, 164970), (1410, 157131), (1422, 155805), (1530, 144807), (1598, 138645), (1755, 126242), (1833, 120870), (1989, 111390), (2054, 107865), (2115, 104754), (2133, 103870), (2210, 100251), (2295, 96538), (2370, 93483), (2397, 92430), (2538, 87295), (2686, 82485), (3055, 72522), (3081, 71910), (3315, 66834), (3510, 63121), (3555, 62322), (3666, 60435), (3713, 59670), (3978, 55695), (3995, 55458), (4029, 54990), (4230, 52377), (4266, 51935), (4590, 48269), (4794, 46215), (5135, 43146), (5499, 40290), (5967, 37130), (6110, 36261), (6162, 35955), (6345, 34918), (6630, 33417), (6715, 32994), (7110, 31161), (7191, 30810), (7426, 29835), (7990, 27729), (8058, 27495), (9165, 24174), (9243, 23970), (9945, 22278), (10270, 21573), (10387, 21330), (10665, 20774), (10998, 20145), (11139, 19890), (11934, 18565), (11985, 18486), (12087, 18330), (12690, 17459), (13430, 16497), (14382, 15405)]