289089920

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{173}}^1\times {\mathrm{373}}^1$

素因数の和:572

約数の個数: 128

約数和(自身を含む): 796530240

約数和(自身を除く): 507440320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 173, 224, 280, 320, 346, 373, 448, 560, 640, 692, 746, 865, 896, 1120, 1211, 1384, 1492, 1730, 1865, 2240, 2422, 2611, 2768, 2984, 3460, 3730, 4480, 4844, 5222, 5536, 5968, 6055, 6920, 7460, 9688, 10444, 11072, 11936, 12110, 13055, 13840, 14920, 19376, 20888, 22144, 23872, 24220, 26110, 27680, 29840, 38752, 41776, 47744, 48440, 52220, 55360, 59680, 64529, 77504, 83552, 96880, 104440, 110720, 119360, 129058, 155008, 167104, 193760, 208880, 238720, 258116, 322645, 334208, 387520, 417760, 451703, 516232, 645290, 775040, 835520, 903406, 1032464, 1290580, 1671040, 1806812, 2064928, 2258515, 2581160, 3613624, 4129856, 4517030, 5162320, 7227248, 8259712, 9034060, 10324640, 14454496, 18068120, 20649280, 28908992, 36136240, 41298560, 57817984, 72272480, 144544960, 289089920]

約数ペア:

[(1, 289089920), (2, 144544960), (4, 72272480), (5, 57817984), (7, 41298560), (8, 36136240), (10, 28908992), (14, 20649280), (16, 18068120), (20, 14454496), (28, 10324640), (32, 9034060), (35, 8259712), (40, 7227248), (56, 5162320), (64, 4517030), (70, 4129856), (80, 3613624), (112, 2581160), (128, 2258515), (140, 2064928), (160, 1806812), (173, 1671040), (224, 1290580), (280, 1032464), (320, 903406), (346, 835520), (373, 775040), (448, 645290), (560, 516232), (640, 451703), (692, 417760), (746, 387520), (865, 334208), (896, 322645), (1120, 258116), (1211, 238720), (1384, 208880), (1492, 193760), (1730, 167104), (1865, 155008), (2240, 129058), (2422, 119360), (2611, 110720), (2768, 104440), (2984, 96880), (3460, 83552), (3730, 77504), (4480, 64529), (4844, 59680), (5222, 55360), (5536, 52220), (5968, 48440), (6055, 47744), (6920, 41776), (7460, 38752), (9688, 29840), (10444, 27680), (11072, 26110), (11936, 24220), (12110, 23872), (13055, 22144), (13840, 20888), (14920, 19376)]