306872720

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{1607}}^1$

素因数の和:1669

約数の個数: 160

約数和(自身を含む): 918798336

約数和(自身を除く): 611925616

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 31, 35, 40, 44, 55, 56, 62, 70, 77, 80, 88, 110, 112, 124, 140, 154, 155, 176, 217, 220, 248, 280, 308, 310, 341, 385, 434, 440, 496, 560, 616, 620, 682, 770, 868, 880, 1085, 1232, 1240, 1364, 1540, 1607, 1705, 1736, 2170, 2387, 2480, 2728, 3080, 3214, 3410, 3472, 4340, 4774, 5456, 6160, 6428, 6820, 8035, 8680, 9548, 11249, 11935, 12856, 13640, 16070, 17360, 17677, 19096, 22498, 23870, 25712, 27280, 32140, 35354, 38192, 44996, 47740, 49817, 56245, 64280, 70708, 88385, 89992, 95480, 99634, 112490, 123739, 128560, 141416, 176770, 179984, 190960, 199268, 224980, 247478, 249085, 282832, 348719, 353540, 398536, 449960, 494956, 498170, 547987, 618695, 697438, 707080, 797072, 899920, 989912, 996340, 1095974, 1237390, 1394876, 1414160, 1743595, 1979824, 1992680, 2191948, 2474780, 2739935, 2789752, 3487190, 3835909, 3985360, 4383896, 4949560, 5479870, 5579504, 6974380, 7671818, 8767792, 9899120, 10959740, 13948760, 15343636, 19179545, 21919480, 27897520, 30687272, 38359090, 43838960, 61374544, 76718180, 153436360, 306872720]

約数ペア:

[(1, 306872720), (2, 153436360), (4, 76718180), (5, 61374544), (7, 43838960), (8, 38359090), (10, 30687272), (11, 27897520), (14, 21919480), (16, 19179545), (20, 15343636), (22, 13948760), (28, 10959740), (31, 9899120), (35, 8767792), (40, 7671818), (44, 6974380), (55, 5579504), (56, 5479870), (62, 4949560), (70, 4383896), (77, 3985360), (80, 3835909), (88, 3487190), (110, 2789752), (112, 2739935), (124, 2474780), (140, 2191948), (154, 1992680), (155, 1979824), (176, 1743595), (217, 1414160), (220, 1394876), (248, 1237390), (280, 1095974), (308, 996340), (310, 989912), (341, 899920), (385, 797072), (434, 707080), (440, 697438), (496, 618695), (560, 547987), (616, 498170), (620, 494956), (682, 449960), (770, 398536), (868, 353540), (880, 348719), (1085, 282832), (1232, 249085), (1240, 247478), (1364, 224980), (1540, 199268), (1607, 190960), (1705, 179984), (1736, 176770), (2170, 141416), (2387, 128560), (2480, 123739), (2728, 112490), (3080, 99634), (3214, 95480), (3410, 89992), (3472, 88385), (4340, 70708), (4774, 64280), (5456, 56245), (6160, 49817), (6428, 47740), (6820, 44996), (8035, 38192), (8680, 35354), (9548, 32140), (11249, 27280), (11935, 25712), (12856, 23870), (13640, 22498), (16070, 19096), (17360, 17677)]