78165760

素因数分解:

$2^8\times 5^1\times {\mathrm{79}}^1\times {\mathrm{773}}^1$

素因数の和:873

約数の個数: 72

約数和(自身を含む): 189846720

約数和(自身を除く): 111680960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 79, 80, 128, 158, 160, 256, 316, 320, 395, 632, 640, 773, 790, 1264, 1280, 1546, 1580, 2528, 3092, 3160, 3865, 5056, 6184, 6320, 7730, 10112, 12368, 12640, 15460, 20224, 24736, 25280, 30920, 49472, 50560, 61067, 61840, 98944, 101120, 122134, 123680, 197888, 244268, 247360, 305335, 488536, 494720, 610670, 977072, 989440, 1221340, 1954144, 2442680, 3908288, 4885360, 7816576, 9770720, 15633152, 19541440, 39082880, 78165760]

約数ペア:

[(1, 78165760), (2, 39082880), (4, 19541440), (5, 15633152), (8, 9770720), (10, 7816576), (16, 4885360), (20, 3908288), (32, 2442680), (40, 1954144), (64, 1221340), (79, 989440), (80, 977072), (128, 610670), (158, 494720), (160, 488536), (256, 305335), (316, 247360), (320, 244268), (395, 197888), (632, 123680), (640, 122134), (773, 101120), (790, 98944), (1264, 61840), (1280, 61067), (1546, 50560), (1580, 49472), (2528, 30920), (3092, 25280), (3160, 24736), (3865, 20224), (5056, 15460), (6184, 12640), (6320, 12368), (7730, 10112)]