38521980

素因数分解:

$2^2\times 3^4\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1$

素因数の和:150

約数の個数: 240

約数和(自身を含む): 143109120

約数和(自身を除く): 104587140

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 43, 45, 54, 60, 63, 70, 79, 81, 84, 86, 90, 105, 108, 126, 129, 135, 140, 158, 162, 172, 180, 189, 210, 215, 237, 252, 258, 270, 301, 315, 316, 324, 378, 387, 395, 405, 420, 430, 474, 516, 540, 553, 567, 602, 630, 645, 711, 756, 774, 790, 810, 860, 903, 945, 948, 1106, 1134, 1161, 1185, 1204, 1260, 1290, 1422, 1505, 1548, 1580, 1620, 1659, 1806, 1890, 1935, 2133, 2212, 2268, 2322, 2370, 2580, 2709, 2765, 2835, 2844, 3010, 3318, 3397, 3483, 3555, 3612, 3780, 3870, 4266, 4515, 4644, 4740, 4977, 5418, 5530, 5670, 5805, 6020, 6399, 6636, 6794, 6966, 7110, 7740, 8127, 8295, 8532, 9030, 9954, 10191, 10665, 10836, 11060, 11340, 11610, 12798, 13545, 13588, 13932, 14220, 14931, 16254, 16590, 16985, 17415, 18060, 19908, 20382, 21330, 23220, 23779, 24381, 24885, 25596, 27090, 29862, 30573, 31995, 32508, 33180, 33970, 34830, 40635, 40764, 42660, 44793, 47558, 48762, 49770, 50955, 54180, 59724, 61146, 63990, 67940, 69660, 71337, 74655, 81270, 89586, 91719, 95116, 97524, 99540, 101910, 118895, 121905, 122292, 127980, 142674, 149310, 152865, 162540, 179172, 183438, 203820, 214011, 223965, 237790, 243810, 275157, 285348, 298620, 305730, 356685, 366876, 428022, 447930, 458595, 475580, 487620, 550314, 611460, 642033, 713370, 856044, 895860, 917190, 1070055, 1100628, 1284066, 1375785, 1426740, 1834380, 1926099, 2140110, 2568132, 2751570, 3210165, 3852198, 4280220, 5503140, 6420330, 7704396, 9630495, 12840660, 19260990, 38521980]

約数ペア:

[(1, 38521980), (2, 19260990), (3, 12840660), (4, 9630495), (5, 7704396), (6, 6420330), (7, 5503140), (9, 4280220), (10, 3852198), (12, 3210165), (14, 2751570), (15, 2568132), (18, 2140110), (20, 1926099), (21, 1834380), (27, 1426740), (28, 1375785), (30, 1284066), (35, 1100628), (36, 1070055), (42, 917190), (43, 895860), (45, 856044), (54, 713370), (60, 642033), (63, 611460), (70, 550314), (79, 487620), (81, 475580), (84, 458595), (86, 447930), (90, 428022), (105, 366876), (108, 356685), (126, 305730), (129, 298620), (135, 285348), (140, 275157), (158, 243810), (162, 237790), (172, 223965), (180, 214011), (189, 203820), (210, 183438), (215, 179172), (237, 162540), (252, 152865), (258, 149310), (270, 142674), (301, 127980), (315, 122292), (316, 121905), (324, 118895), (378, 101910), (387, 99540), (395, 97524), (405, 95116), (420, 91719), (430, 89586), (474, 81270), (516, 74655), (540, 71337), (553, 69660), (567, 67940), (602, 63990), (630, 61146), (645, 59724), (711, 54180), (756, 50955), (774, 49770), (790, 48762), (810, 47558), (860, 44793), (903, 42660), (945, 40764), (948, 40635), (1106, 34830), (1134, 33970), (1161, 33180), (1185, 32508), (1204, 31995), (1260, 30573), (1290, 29862), (1422, 27090), (1505, 25596), (1548, 24885), (1580, 24381), (1620, 23779), (1659, 23220), (1806, 21330), (1890, 20382), (1935, 19908), (2133, 18060), (2212, 17415), (2268, 16985), (2322, 16590), (2370, 16254), (2580, 14931), (2709, 14220), (2765, 13932), (2835, 13588), (2844, 13545), (3010, 12798), (3318, 11610), (3397, 11340), (3483, 11060), (3555, 10836), (3612, 10665), (3780, 10191), (3870, 9954), (4266, 9030), (4515, 8532), (4644, 8295), (4740, 8127), (4977, 7740), (5418, 7110), (5530, 6966), (5670, 6794), (5805, 6636), (6020, 6399)]