77770240

素因数分解:

$2^9\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1787}}^1$

素因数の和:1827

約数の個数: 80

約数和(自身を含む): 197545392

約数和(自身を除く): 119775152

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 128, 136, 160, 170, 256, 272, 320, 340, 512, 544, 640, 680, 1088, 1280, 1360, 1787, 2176, 2560, 2720, 3574, 4352, 5440, 7148, 8704, 8935, 10880, 14296, 17870, 21760, 28592, 30379, 35740, 43520, 57184, 60758, 71480, 114368, 121516, 142960, 151895, 228736, 243032, 285920, 303790, 457472, 486064, 571840, 607580, 914944, 972128, 1143680, 1215160, 1944256, 2287360, 2430320, 3888512, 4574720, 4860640, 7777024, 9721280, 15554048, 19442560, 38885120, 77770240]

約数ペア:

[(1, 77770240), (2, 38885120), (4, 19442560), (5, 15554048), (8, 9721280), (10, 7777024), (16, 4860640), (17, 4574720), (20, 3888512), (32, 2430320), (34, 2287360), (40, 1944256), (64, 1215160), (68, 1143680), (80, 972128), (85, 914944), (128, 607580), (136, 571840), (160, 486064), (170, 457472), (256, 303790), (272, 285920), (320, 243032), (340, 228736), (512, 151895), (544, 142960), (640, 121516), (680, 114368), (1088, 71480), (1280, 60758), (1360, 57184), (1787, 43520), (2176, 35740), (2560, 30379), (2720, 28592), (3574, 21760), (4352, 17870), (5440, 14296), (7148, 10880), (8704, 8935)]