521888220

素因数分解:

$2^2\times 3^2\times 5^1\times 7^3\times {\mathrm{79}}^1\times {\mathrm{107}}^1$

素因数の和:222

約数の個数: 288

約数和(自身を含む): 1886976000

約数和(自身を除く): 1365087780

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 49, 60, 63, 70, 79, 84, 90, 98, 105, 107, 126, 140, 147, 158, 180, 196, 210, 214, 237, 245, 252, 294, 315, 316, 321, 343, 395, 420, 428, 441, 474, 490, 535, 553, 588, 630, 642, 686, 711, 735, 749, 790, 882, 948, 963, 980, 1029, 1070, 1106, 1185, 1260, 1284, 1372, 1422, 1470, 1498, 1580, 1605, 1659, 1715, 1764, 1926, 2058, 2140, 2205, 2212, 2247, 2370, 2765, 2844, 2940, 2996, 3087, 3210, 3318, 3430, 3555, 3745, 3852, 3871, 4116, 4410, 4494, 4740, 4815, 4977, 5145, 5243, 5530, 6174, 6420, 6636, 6741, 6860, 7110, 7490, 7742, 8295, 8453, 8820, 8988, 9630, 9954, 10290, 10486, 11060, 11235, 11613, 12348, 13482, 14220, 14980, 15435, 15484, 15729, 16590, 16906, 19260, 19355, 19908, 20580, 20972, 22470, 23226, 24885, 25359, 26215, 26964, 27097, 30870, 31458, 33180, 33705, 33812, 34839, 36701, 38710, 42265, 44940, 46452, 47187, 49770, 50718, 52430, 54194, 58065, 59171, 61740, 62916, 67410, 69678, 73402, 76077, 77420, 78645, 81291, 84530, 94374, 99540, 101436, 104860, 108388, 110103, 116130, 118342, 126795, 134820, 135485, 139356, 146804, 152154, 157290, 162582, 169060, 174195, 177513, 183505, 188748, 220206, 232260, 235935, 236684, 243873, 253590, 270970, 295855, 304308, 314580, 325164, 330309, 348390, 355026, 367010, 380385, 406455, 414197, 440412, 471870, 487746, 507180, 532539, 541940, 550515, 591710, 660618, 696780, 710052, 734020, 760770, 812910, 828394, 887565, 943740, 975492, 1065078, 1101030, 1183420, 1219365, 1242591, 1321236, 1521540, 1625820, 1651545, 1656788, 1775130, 2070985, 2130156, 2202060, 2438730, 2485182, 2662695, 2899379, 3303090, 3550260, 3727773, 4141970, 4877460, 4970364, 5325390, 5798758, 6212955, 6606180, 7455546, 8283940, 8698137, 10650780, 11597516, 12425910, 14496895, 14911092, 17396274, 18638865, 24851820, 26094411, 28993790, 34792548, 37277730, 43490685, 52188822, 57987580, 74555460, 86981370, 104377644, 130472055, 173962740, 260944110, 521888220]

約数ペア:

[(1, 521888220), (2, 260944110), (3, 173962740), (4, 130472055), (5, 104377644), (6, 86981370), (7, 74555460), (9, 57987580), (10, 52188822), (12, 43490685), (14, 37277730), (15, 34792548), (18, 28993790), (20, 26094411), (21, 24851820), (28, 18638865), (30, 17396274), (35, 14911092), (36, 14496895), (42, 12425910), (45, 11597516), (49, 10650780), (60, 8698137), (63, 8283940), (70, 7455546), (79, 6606180), (84, 6212955), (90, 5798758), (98, 5325390), (105, 4970364), (107, 4877460), (126, 4141970), (140, 3727773), (147, 3550260), (158, 3303090), (180, 2899379), (196, 2662695), (210, 2485182), (214, 2438730), (237, 2202060), (245, 2130156), (252, 2070985), (294, 1775130), (315, 1656788), (316, 1651545), (321, 1625820), (343, 1521540), (395, 1321236), (420, 1242591), (428, 1219365), (441, 1183420), (474, 1101030), (490, 1065078), (535, 975492), (553, 943740), (588, 887565), (630, 828394), (642, 812910), (686, 760770), (711, 734020), (735, 710052), (749, 696780), (790, 660618), (882, 591710), (948, 550515), (963, 541940), (980, 532539), (1029, 507180), (1070, 487746), (1106, 471870), (1185, 440412), (1260, 414197), (1284, 406455), (1372, 380385), (1422, 367010), (1470, 355026), (1498, 348390), (1580, 330309), (1605, 325164), (1659, 314580), (1715, 304308), (1764, 295855), (1926, 270970), (2058, 253590), (2140, 243873), (2205, 236684), (2212, 235935), (2247, 232260), (2370, 220206), (2765, 188748), (2844, 183505), (2940, 177513), (2996, 174195), (3087, 169060), (3210, 162582), (3318, 157290), (3430, 152154), (3555, 146804), (3745, 139356), (3852, 135485), (3871, 134820), (4116, 126795), (4410, 118342), (4494, 116130), (4740, 110103), (4815, 108388), (4977, 104860), (5145, 101436), (5243, 99540), (5530, 94374), (6174, 84530), (6420, 81291), (6636, 78645), (6741, 77420), (6860, 76077), (7110, 73402), (7490, 69678), (7742, 67410), (8295, 62916), (8453, 61740), (8820, 59171), (8988, 58065), (9630, 54194), (9954, 52430), (10290, 50718), (10486, 49770), (11060, 47187), (11235, 46452), (11613, 44940), (12348, 42265), (13482, 38710), (14220, 36701), (14980, 34839), (15435, 33812), (15484, 33705), (15729, 33180), (16590, 31458), (16906, 30870), (19260, 27097), (19355, 26964), (19908, 26215), (20580, 25359), (20972, 24885), (22470, 23226)]