278312580

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{1307}}^1$

素因数の和:1355

約数の個数: 216

約数和(自身を含む): 1045541952

約数和(自身を除く): 767229372

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 13, 14, 15, 18, 20, 21, 26, 28, 30, 35, 36, 39, 42, 45, 52, 60, 63, 65, 70, 78, 84, 90, 91, 105, 117, 126, 130, 140, 156, 169, 180, 182, 195, 210, 234, 252, 260, 273, 315, 338, 364, 390, 420, 455, 468, 507, 546, 585, 630, 676, 780, 819, 845, 910, 1014, 1092, 1170, 1183, 1260, 1307, 1365, 1521, 1638, 1690, 1820, 2028, 2340, 2366, 2535, 2614, 2730, 3042, 3276, 3380, 3549, 3921, 4095, 4732, 5070, 5228, 5460, 5915, 6084, 6535, 7098, 7605, 7842, 8190, 9149, 10140, 10647, 11763, 11830, 13070, 14196, 15210, 15684, 16380, 16991, 17745, 18298, 19605, 21294, 23526, 23660, 26140, 27447, 30420, 33982, 35490, 36596, 39210, 42588, 45745, 47052, 50973, 53235, 54894, 58815, 67964, 70980, 78420, 82341, 84955, 91490, 101946, 106470, 109788, 117630, 118937, 137235, 152919, 164682, 169910, 182980, 203892, 212940, 220883, 235260, 237874, 254865, 274470, 305838, 329364, 339820, 356811, 411705, 441766, 475748, 509730, 548940, 594685, 611676, 662649, 713622, 764595, 823410, 883532, 1019460, 1070433, 1104415, 1189370, 1325298, 1427244, 1529190, 1546181, 1646820, 1784055, 1987947, 2140866, 2208830, 2378740, 2650596, 3058380, 3092362, 3313245, 3568110, 3975894, 4281732, 4417660, 4638543, 5352165, 6184724, 6626490, 7136220, 7730905, 7951788, 9277086, 9939735, 10704330, 13252980, 13915629, 15461810, 18554172, 19879470, 21408660, 23192715, 27831258, 30923620, 39758940, 46385430, 55662516, 69578145, 92770860, 139156290, 278312580]

約数ペア:

[(1, 278312580), (2, 139156290), (3, 92770860), (4, 69578145), (5, 55662516), (6, 46385430), (7, 39758940), (9, 30923620), (10, 27831258), (12, 23192715), (13, 21408660), (14, 19879470), (15, 18554172), (18, 15461810), (20, 13915629), (21, 13252980), (26, 10704330), (28, 9939735), (30, 9277086), (35, 7951788), (36, 7730905), (39, 7136220), (42, 6626490), (45, 6184724), (52, 5352165), (60, 4638543), (63, 4417660), (65, 4281732), (70, 3975894), (78, 3568110), (84, 3313245), (90, 3092362), (91, 3058380), (105, 2650596), (117, 2378740), (126, 2208830), (130, 2140866), (140, 1987947), (156, 1784055), (169, 1646820), (180, 1546181), (182, 1529190), (195, 1427244), (210, 1325298), (234, 1189370), (252, 1104415), (260, 1070433), (273, 1019460), (315, 883532), (338, 823410), (364, 764595), (390, 713622), (420, 662649), (455, 611676), (468, 594685), (507, 548940), (546, 509730), (585, 475748), (630, 441766), (676, 411705), (780, 356811), (819, 339820), (845, 329364), (910, 305838), (1014, 274470), (1092, 254865), (1170, 237874), (1183, 235260), (1260, 220883), (1307, 212940), (1365, 203892), (1521, 182980), (1638, 169910), (1690, 164682), (1820, 152919), (2028, 137235), (2340, 118937), (2366, 117630), (2535, 109788), (2614, 106470), (2730, 101946), (3042, 91490), (3276, 84955), (3380, 82341), (3549, 78420), (3921, 70980), (4095, 67964), (4732, 58815), (5070, 54894), (5228, 53235), (5460, 50973), (5915, 47052), (6084, 45745), (6535, 42588), (7098, 39210), (7605, 36596), (7842, 35490), (8190, 33982), (9149, 30420), (10140, 27447), (10647, 26140), (11763, 23660), (11830, 23526), (13070, 21294), (14196, 19605), (15210, 18298), (15684, 17745), (16380, 16991)]