213156720

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{42293}}^1$

素因数の和:42319

約数の個数: 120

約数和(自身を含む): 818135136

約数和(自身を除く): 604978416

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 105, 112, 120, 126, 140, 144, 168, 180, 210, 240, 252, 280, 315, 336, 360, 420, 504, 560, 630, 720, 840, 1008, 1260, 1680, 2520, 5040, 42293, 84586, 126879, 169172, 211465, 253758, 296051, 338344, 380637, 422930, 507516, 592102, 634395, 676688, 761274, 845860, 888153, 1015032, 1184204, 1268790, 1480255, 1522548, 1691720, 1776306, 1903185, 2030064, 2368408, 2537580, 2664459, 2960510, 3045096, 3383440, 3552612, 3806370, 4440765, 4736816, 5075160, 5328918, 5921020, 6090192, 7105224, 7612740, 8881530, 10150320, 10657836, 11842040, 13322295, 14210448, 15225480, 17763060, 21315672, 23684080, 26644590, 30450960, 35526120, 42631344, 53289180, 71052240, 106578360, 213156720]

約数ペア:

[(1, 213156720), (2, 106578360), (3, 71052240), (4, 53289180), (5, 42631344), (6, 35526120), (7, 30450960), (8, 26644590), (9, 23684080), (10, 21315672), (12, 17763060), (14, 15225480), (15, 14210448), (16, 13322295), (18, 11842040), (20, 10657836), (21, 10150320), (24, 8881530), (28, 7612740), (30, 7105224), (35, 6090192), (36, 5921020), (40, 5328918), (42, 5075160), (45, 4736816), (48, 4440765), (56, 3806370), (60, 3552612), (63, 3383440), (70, 3045096), (72, 2960510), (80, 2664459), (84, 2537580), (90, 2368408), (105, 2030064), (112, 1903185), (120, 1776306), (126, 1691720), (140, 1522548), (144, 1480255), (168, 1268790), (180, 1184204), (210, 1015032), (240, 888153), (252, 845860), (280, 761274), (315, 676688), (336, 634395), (360, 592102), (420, 507516), (504, 422930), (560, 380637), (630, 338344), (720, 296051), (840, 253758), (1008, 211465), (1260, 169172), (1680, 126879), (2520, 84586), (5040, 42293)]