1645149648

素因数分解:

$2^4\times 3^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{19709}}^1$

素因数の和:19804

約数の個数: 80

約数和(自身を含む): 4457928960

約数和(自身を除く): 2812779312

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 37, 47, 48, 74, 94, 111, 141, 148, 188, 222, 282, 296, 376, 444, 564, 592, 752, 888, 1128, 1739, 1776, 2256, 3478, 5217, 6956, 10434, 13912, 19709, 20868, 27824, 39418, 41736, 59127, 78836, 83472, 118254, 157672, 236508, 315344, 473016, 729233, 926323, 946032, 1458466, 1852646, 2187699, 2778969, 2916932, 3705292, 4375398, 5557938, 5833864, 7410584, 8750796, 11115876, 11667728, 14821168, 17501592, 22231752, 34273951, 35003184, 44463504, 68547902, 102821853, 137095804, 205643706, 274191608, 411287412, 548383216, 822574824, 1645149648]

約数ペア:

[(1, 1645149648), (2, 822574824), (3, 548383216), (4, 411287412), (6, 274191608), (8, 205643706), (12, 137095804), (16, 102821853), (24, 68547902), (37, 44463504), (47, 35003184), (48, 34273951), (74, 22231752), (94, 17501592), (111, 14821168), (141, 11667728), (148, 11115876), (188, 8750796), (222, 7410584), (282, 5833864), (296, 5557938), (376, 4375398), (444, 3705292), (564, 2916932), (592, 2778969), (752, 2187699), (888, 1852646), (1128, 1458466), (1739, 946032), (1776, 926323), (2256, 729233), (3478, 473016), (5217, 315344), (6956, 236508), (10434, 157672), (13912, 118254), (19709, 83472), (20868, 78836), (27824, 59127), (39418, 41736)]