261689160

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{3467}}^1$

素因数の和:3535

約数の個数: 128

約数和(自身を含む): 853960320

約数和(自身を除く): 592271160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 37, 40, 51, 60, 68, 74, 85, 102, 111, 120, 136, 148, 170, 185, 204, 222, 255, 296, 340, 370, 408, 444, 510, 555, 629, 680, 740, 888, 1020, 1110, 1258, 1480, 1887, 2040, 2220, 2516, 3145, 3467, 3774, 4440, 5032, 6290, 6934, 7548, 9435, 10401, 12580, 13868, 15096, 17335, 18870, 20802, 25160, 27736, 34670, 37740, 41604, 52005, 58939, 69340, 75480, 83208, 104010, 117878, 128279, 138680, 176817, 208020, 235756, 256558, 294695, 353634, 384837, 416040, 471512, 513116, 589390, 641395, 707268, 769674, 884085, 1026232, 1178780, 1282790, 1414536, 1539348, 1768170, 1924185, 2180743, 2357560, 2565580, 3078696, 3536340, 3848370, 4361486, 5131160, 6542229, 7072680, 7696740, 8722972, 10903715, 13084458, 15393480, 17445944, 21807430, 26168916, 32711145, 43614860, 52337832, 65422290, 87229720, 130844580, 261689160]

約数ペア:

[(1, 261689160), (2, 130844580), (3, 87229720), (4, 65422290), (5, 52337832), (6, 43614860), (8, 32711145), (10, 26168916), (12, 21807430), (15, 17445944), (17, 15393480), (20, 13084458), (24, 10903715), (30, 8722972), (34, 7696740), (37, 7072680), (40, 6542229), (51, 5131160), (60, 4361486), (68, 3848370), (74, 3536340), (85, 3078696), (102, 2565580), (111, 2357560), (120, 2180743), (136, 1924185), (148, 1768170), (170, 1539348), (185, 1414536), (204, 1282790), (222, 1178780), (255, 1026232), (296, 884085), (340, 769674), (370, 707268), (408, 641395), (444, 589390), (510, 513116), (555, 471512), (629, 416040), (680, 384837), (740, 353634), (888, 294695), (1020, 256558), (1110, 235756), (1258, 208020), (1480, 176817), (1887, 138680), (2040, 128279), (2220, 117878), (2516, 104010), (3145, 83208), (3467, 75480), (3774, 69340), (4440, 58939), (5032, 52005), (6290, 41604), (6934, 37740), (7548, 34670), (9435, 27736), (10401, 25160), (12580, 20802), (13868, 18870), (15096, 17335)]