720072108

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{2549}}^1$

素因数の和:2644

約数の個数: 144

約数和(自身を含む): 2227680000

約数和(自身を除く): 1507607892

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 19, 21, 28, 36, 38, 42, 57, 59, 63, 76, 84, 114, 118, 126, 133, 171, 177, 228, 236, 252, 266, 342, 354, 399, 413, 531, 532, 684, 708, 798, 826, 1062, 1121, 1197, 1239, 1596, 1652, 2124, 2242, 2394, 2478, 2549, 3363, 3717, 4484, 4788, 4956, 5098, 6726, 7434, 7647, 7847, 10089, 10196, 13452, 14868, 15294, 15694, 17843, 20178, 22941, 23541, 30588, 31388, 35686, 40356, 45882, 47082, 48431, 53529, 70623, 71372, 91764, 94164, 96862, 107058, 141246, 145293, 150391, 160587, 193724, 214116, 282492, 290586, 300782, 321174, 339017, 435879, 451173, 581172, 601564, 642348, 678034, 871758, 902346, 1017051, 1052737, 1353519, 1356068, 1743516, 1804692, 2034102, 2105474, 2707038, 2857429, 3051153, 3158211, 4068204, 4210948, 5414076, 5714858, 6102306, 6316422, 8572287, 9474633, 11429716, 12204612, 12632844, 17144574, 18949266, 20002003, 25716861, 34289148, 37898532, 40004006, 51433722, 60006009, 80008012, 102867444, 120012018, 180018027, 240024036, 360036054, 720072108]

約数ペア:

[(1, 720072108), (2, 360036054), (3, 240024036), (4, 180018027), (6, 120012018), (7, 102867444), (9, 80008012), (12, 60006009), (14, 51433722), (18, 40004006), (19, 37898532), (21, 34289148), (28, 25716861), (36, 20002003), (38, 18949266), (42, 17144574), (57, 12632844), (59, 12204612), (63, 11429716), (76, 9474633), (84, 8572287), (114, 6316422), (118, 6102306), (126, 5714858), (133, 5414076), (171, 4210948), (177, 4068204), (228, 3158211), (236, 3051153), (252, 2857429), (266, 2707038), (342, 2105474), (354, 2034102), (399, 1804692), (413, 1743516), (531, 1356068), (532, 1353519), (684, 1052737), (708, 1017051), (798, 902346), (826, 871758), (1062, 678034), (1121, 642348), (1197, 601564), (1239, 581172), (1596, 451173), (1652, 435879), (2124, 339017), (2242, 321174), (2394, 300782), (2478, 290586), (2549, 282492), (3363, 214116), (3717, 193724), (4484, 160587), (4788, 150391), (4956, 145293), (5098, 141246), (6726, 107058), (7434, 96862), (7647, 94164), (7847, 91764), (10089, 71372), (10196, 70623), (13452, 53529), (14868, 48431), (15294, 47082), (15694, 45882), (17843, 40356), (20178, 35686), (22941, 31388), (23541, 30588)]