20171288340

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{839}}^1\times {\mathrm{19081}}^1$

素因数の和:19942

約数の個数: 144

約数和(自身を含む): 70014147840

約数和(自身を除く): 49842859500

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 839, 1260, 1678, 2517, 3356, 4195, 5034, 5873, 7551, 8390, 10068, 11746, 12585, 15102, 16780, 17619, 19081, 23492, 25170, 29365, 30204, 35238, 37755, 38162, 50340, 52857, 57243, 58730, 70476, 75510, 76324, 88095, 95405, 105714, 114486, 117460, 133567, 151020, 171729, 176190, 190810, 211428, 228972, 264285, 267134, 286215, 343458, 352380, 381620, 400701, 528570, 534268, 572430, 667835, 686916, 801402, 858645, 1057140, 1144860, 1202103, 1335670, 1602804, 1717290, 2003505, 2404206, 2671340, 3434580, 4007010, 4808412, 6010515, 8014020, 12021030, 16008959, 24042060, 32017918, 48026877, 64035836, 80044795, 96053754, 112062713, 144080631, 160089590, 192107508, 224125426, 240134385, 288161262, 320179180, 336188139, 448250852, 480268770, 560313565, 576322524, 672376278, 720403155, 960537540, 1008564417, 1120627130, 1344752556, 1440806310, 1680940695, 2017128834, 2241254260, 2881612620, 3361881390, 4034257668, 5042822085, 6723762780, 10085644170, 20171288340]

約数ペア:

[(1, 20171288340), (2, 10085644170), (3, 6723762780), (4, 5042822085), (5, 4034257668), (6, 3361881390), (7, 2881612620), (9, 2241254260), (10, 2017128834), (12, 1680940695), (14, 1440806310), (15, 1344752556), (18, 1120627130), (20, 1008564417), (21, 960537540), (28, 720403155), (30, 672376278), (35, 576322524), (36, 560313565), (42, 480268770), (45, 448250852), (60, 336188139), (63, 320179180), (70, 288161262), (84, 240134385), (90, 224125426), (105, 192107508), (126, 160089590), (140, 144080631), (180, 112062713), (210, 96053754), (252, 80044795), (315, 64035836), (420, 48026877), (630, 32017918), (839, 24042060), (1260, 16008959), (1678, 12021030), (2517, 8014020), (3356, 6010515), (4195, 4808412), (5034, 4007010), (5873, 3434580), (7551, 2671340), (8390, 2404206), (10068, 2003505), (11746, 1717290), (12585, 1602804), (15102, 1335670), (16780, 1202103), (17619, 1144860), (19081, 1057140), (23492, 858645), (25170, 801402), (29365, 686916), (30204, 667835), (35238, 572430), (37755, 534268), (38162, 528570), (50340, 400701), (52857, 381620), (57243, 352380), (58730, 343458), (70476, 286215), (75510, 267134), (76324, 264285), (88095, 228972), (95405, 211428), (105714, 190810), (114486, 176190), (117460, 171729), (133567, 151020)]