19539120

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{4789}}^1$

素因数の和:4822

約数の個数: 80

約数和(自身を含む): 64147680

約数和(自身を除く): 44608560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 34, 40, 48, 51, 60, 68, 80, 85, 102, 120, 136, 170, 204, 240, 255, 272, 340, 408, 510, 680, 816, 1020, 1360, 2040, 4080, 4789, 9578, 14367, 19156, 23945, 28734, 38312, 47890, 57468, 71835, 76624, 81413, 95780, 114936, 143670, 162826, 191560, 229872, 244239, 287340, 325652, 383120, 407065, 488478, 574680, 651304, 814130, 976956, 1149360, 1221195, 1302608, 1628260, 1953912, 2442390, 3256520, 3907824, 4884780, 6513040, 9769560, 19539120]

約数ペア:

[(1, 19539120), (2, 9769560), (3, 6513040), (4, 4884780), (5, 3907824), (6, 3256520), (8, 2442390), (10, 1953912), (12, 1628260), (15, 1302608), (16, 1221195), (17, 1149360), (20, 976956), (24, 814130), (30, 651304), (34, 574680), (40, 488478), (48, 407065), (51, 383120), (60, 325652), (68, 287340), (80, 244239), (85, 229872), (102, 191560), (120, 162826), (136, 143670), (170, 114936), (204, 95780), (240, 81413), (255, 76624), (272, 71835), (340, 57468), (408, 47890), (510, 38312), (680, 28734), (816, 23945), (1020, 19156), (1360, 14367), (2040, 9578), (4080, 4789)]