380796160

素因数分解:

$2^8\times 5^1\times {\mathrm{61}}^1\times {\mathrm{4877}}^1$

素因数の和:4959

約数の個数: 72

約数和(自身を含む): 927268776

約数和(自身を除く): 546472616

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 61, 64, 80, 122, 128, 160, 244, 256, 305, 320, 488, 610, 640, 976, 1220, 1280, 1952, 2440, 3904, 4877, 4880, 7808, 9754, 9760, 15616, 19508, 19520, 24385, 39016, 39040, 48770, 78032, 78080, 97540, 156064, 195080, 297497, 312128, 390160, 594994, 624256, 780320, 1189988, 1248512, 1487485, 1560640, 2379976, 2974970, 3121280, 4759952, 5949940, 6242560, 9519904, 11899880, 19039808, 23799760, 38079616, 47599520, 76159232, 95199040, 190398080, 380796160]

約数ペア:

[(1, 380796160), (2, 190398080), (4, 95199040), (5, 76159232), (8, 47599520), (10, 38079616), (16, 23799760), (20, 19039808), (32, 11899880), (40, 9519904), (61, 6242560), (64, 5949940), (80, 4759952), (122, 3121280), (128, 2974970), (160, 2379976), (244, 1560640), (256, 1487485), (305, 1248512), (320, 1189988), (488, 780320), (610, 624256), (640, 594994), (976, 390160), (1220, 312128), (1280, 297497), (1952, 195080), (2440, 156064), (3904, 97540), (4877, 78080), (4880, 78032), (7808, 48770), (9754, 39040), (9760, 39016), (15616, 24385), (19508, 19520)]