71228340

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{353}}^1$

素因数の和:446

約数の個数: 144

約数和(自身を含む): 231940800

約数和(自身を除く): 160712460

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 59, 60, 76, 90, 95, 114, 118, 171, 177, 180, 190, 228, 236, 285, 295, 342, 353, 354, 380, 531, 570, 590, 684, 706, 708, 855, 885, 1059, 1062, 1121, 1140, 1180, 1412, 1710, 1765, 1770, 2118, 2124, 2242, 2655, 3177, 3363, 3420, 3530, 3540, 4236, 4484, 5295, 5310, 5605, 6354, 6707, 6726, 7060, 10089, 10590, 10620, 11210, 12708, 13414, 13452, 15885, 16815, 20121, 20178, 20827, 21180, 22420, 26828, 31770, 33535, 33630, 40242, 40356, 41654, 50445, 60363, 62481, 63540, 67070, 67260, 80484, 83308, 100605, 100890, 104135, 120726, 124962, 134140, 187443, 201210, 201780, 208270, 241452, 249924, 301815, 312405, 374886, 395713, 402420, 416540, 603630, 624810, 749772, 791426, 937215, 1187139, 1207260, 1249620, 1582852, 1874430, 1978565, 2374278, 3561417, 3748860, 3957130, 4748556, 5935695, 7122834, 7914260, 11871390, 14245668, 17807085, 23742780, 35614170, 71228340]

約数ペア:

[(1, 71228340), (2, 35614170), (3, 23742780), (4, 17807085), (5, 14245668), (6, 11871390), (9, 7914260), (10, 7122834), (12, 5935695), (15, 4748556), (18, 3957130), (19, 3748860), (20, 3561417), (30, 2374278), (36, 1978565), (38, 1874430), (45, 1582852), (57, 1249620), (59, 1207260), (60, 1187139), (76, 937215), (90, 791426), (95, 749772), (114, 624810), (118, 603630), (171, 416540), (177, 402420), (180, 395713), (190, 374886), (228, 312405), (236, 301815), (285, 249924), (295, 241452), (342, 208270), (353, 201780), (354, 201210), (380, 187443), (531, 134140), (570, 124962), (590, 120726), (684, 104135), (706, 100890), (708, 100605), (855, 83308), (885, 80484), (1059, 67260), (1062, 67070), (1121, 63540), (1140, 62481), (1180, 60363), (1412, 50445), (1710, 41654), (1765, 40356), (1770, 40242), (2118, 33630), (2124, 33535), (2242, 31770), (2655, 26828), (3177, 22420), (3363, 21180), (3420, 20827), (3530, 20178), (3540, 20121), (4236, 16815), (4484, 15885), (5295, 13452), (5310, 13414), (5605, 12708), (6354, 11210), (6707, 10620), (6726, 10590), (7060, 10089)]