2730881020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{461}}^1$

素因数の和:644

約数の個数: 192

約数和(自身を含む): 7376624640

約数和(自身を除く): 4645743620

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 19, 20, 28, 34, 35, 38, 68, 70, 76, 85, 95, 119, 131, 133, 140, 170, 190, 238, 262, 266, 323, 340, 380, 461, 476, 524, 532, 595, 646, 655, 665, 917, 922, 1190, 1292, 1310, 1330, 1615, 1834, 1844, 2227, 2261, 2305, 2380, 2489, 2620, 2660, 3227, 3230, 3668, 4454, 4522, 4585, 4610, 4978, 6454, 6460, 7837, 8759, 8908, 9044, 9170, 9220, 9956, 11135, 11305, 12445, 12908, 15589, 15674, 16135, 17423, 17518, 18340, 22270, 22610, 24890, 31178, 31348, 32270, 34846, 35036, 39185, 42313, 43795, 44540, 45220, 49780, 54859, 60391, 61313, 62356, 64540, 69692, 77945, 78370, 84626, 87115, 87590, 109718, 120782, 122626, 148903, 155890, 156740, 169252, 174230, 175180, 211565, 219436, 241564, 245252, 274295, 296191, 297806, 301955, 306565, 311780, 348460, 422737, 423130, 548590, 592382, 595612, 603910, 613130, 744515, 845474, 846260, 1026647, 1042321, 1097180, 1147429, 1184764, 1207820, 1226260, 1480955, 1489030, 1690948, 2053294, 2084642, 2113685, 2294858, 2961910, 2978060, 4106588, 4169284, 4227370, 4589716, 5133235, 5211605, 5737145, 5923820, 7186529, 8032003, 8454740, 10266470, 10423210, 11474290, 14373058, 16064006, 19506293, 20532940, 20846420, 22948580, 28746116, 32128012, 35932645, 39012586, 40160015, 71865290, 78025172, 80320030, 97531465, 136544051, 143730580, 160640060, 195062930, 273088102, 390125860, 546176204, 682720255, 1365440510, 2730881020]

約数ペア:

[(1, 2730881020), (2, 1365440510), (4, 682720255), (5, 546176204), (7, 390125860), (10, 273088102), (14, 195062930), (17, 160640060), (19, 143730580), (20, 136544051), (28, 97531465), (34, 80320030), (35, 78025172), (38, 71865290), (68, 40160015), (70, 39012586), (76, 35932645), (85, 32128012), (95, 28746116), (119, 22948580), (131, 20846420), (133, 20532940), (140, 19506293), (170, 16064006), (190, 14373058), (238, 11474290), (262, 10423210), (266, 10266470), (323, 8454740), (340, 8032003), (380, 7186529), (461, 5923820), (476, 5737145), (524, 5211605), (532, 5133235), (595, 4589716), (646, 4227370), (655, 4169284), (665, 4106588), (917, 2978060), (922, 2961910), (1190, 2294858), (1292, 2113685), (1310, 2084642), (1330, 2053294), (1615, 1690948), (1834, 1489030), (1844, 1480955), (2227, 1226260), (2261, 1207820), (2305, 1184764), (2380, 1147429), (2489, 1097180), (2620, 1042321), (2660, 1026647), (3227, 846260), (3230, 845474), (3668, 744515), (4454, 613130), (4522, 603910), (4585, 595612), (4610, 592382), (4978, 548590), (6454, 423130), (6460, 422737), (7837, 348460), (8759, 311780), (8908, 306565), (9044, 301955), (9170, 297806), (9220, 296191), (9956, 274295), (11135, 245252), (11305, 241564), (12445, 219436), (12908, 211565), (15589, 175180), (15674, 174230), (16135, 169252), (17423, 156740), (17518, 155890), (18340, 148903), (22270, 122626), (22610, 120782), (24890, 109718), (31178, 87590), (31348, 87115), (32270, 84626), (34846, 78370), (35036, 77945), (39185, 69692), (42313, 64540), (43795, 62356), (44540, 61313), (45220, 60391), (49780, 54859)]