254190080

素因数分解:

$2^9\times 5^1\times {\mathrm{31}}^1\times {\mathrm{3203}}^1$

素因数の和:3257

約数の個数: 80

約数和(自身を含む): 629316864

約数和(自身を除く): 375126784

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 256, 310, 320, 496, 512, 620, 640, 992, 1240, 1280, 1984, 2480, 2560, 3203, 3968, 4960, 6406, 7936, 9920, 12812, 15872, 16015, 19840, 25624, 32030, 39680, 51248, 64060, 79360, 99293, 102496, 128120, 198586, 204992, 256240, 397172, 409984, 496465, 512480, 794344, 819968, 992930, 1024960, 1588688, 1639936, 1985860, 2049920, 3177376, 3971720, 4099840, 6354752, 7943440, 8199680, 12709504, 15886880, 25419008, 31773760, 50838016, 63547520, 127095040, 254190080]

約数ペア:

[(1, 254190080), (2, 127095040), (4, 63547520), (5, 50838016), (8, 31773760), (10, 25419008), (16, 15886880), (20, 12709504), (31, 8199680), (32, 7943440), (40, 6354752), (62, 4099840), (64, 3971720), (80, 3177376), (124, 2049920), (128, 1985860), (155, 1639936), (160, 1588688), (248, 1024960), (256, 992930), (310, 819968), (320, 794344), (496, 512480), (512, 496465), (620, 409984), (640, 397172), (992, 256240), (1240, 204992), (1280, 198586), (1984, 128120), (2480, 102496), (2560, 99293), (3203, 79360), (3968, 64060), (4960, 51248), (6406, 39680), (7936, 32030), (9920, 25624), (12812, 19840), (15872, 16015)]