216590920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{379}}^1$

素因数の和:567

約数の個数: 128

約数和(自身を含む): 605203200

約数和(自身を除く): 388612280

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 91, 104, 130, 140, 157, 182, 260, 280, 314, 364, 379, 455, 520, 628, 728, 758, 785, 910, 1099, 1256, 1516, 1570, 1820, 1895, 2041, 2198, 2653, 3032, 3140, 3640, 3790, 4082, 4396, 4927, 5306, 5495, 6280, 7580, 8164, 8792, 9854, 10205, 10612, 10990, 13265, 14287, 15160, 16328, 19708, 20410, 21224, 21980, 24635, 26530, 28574, 34489, 39416, 40820, 43960, 49270, 53060, 57148, 59503, 68978, 71435, 81640, 98540, 106120, 114296, 119006, 137956, 142870, 172445, 197080, 238012, 275912, 285740, 297515, 344890, 416521, 476024, 571480, 595030, 689780, 773539, 833042, 1190060, 1379560, 1547078, 1666084, 2082605, 2380120, 3094156, 3332168, 3867695, 4165210, 5414773, 6188312, 7735390, 8330420, 10829546, 15470780, 16660840, 21659092, 27073865, 30941560, 43318184, 54147730, 108295460, 216590920]

約数ペア:

[(1, 216590920), (2, 108295460), (4, 54147730), (5, 43318184), (7, 30941560), (8, 27073865), (10, 21659092), (13, 16660840), (14, 15470780), (20, 10829546), (26, 8330420), (28, 7735390), (35, 6188312), (40, 5414773), (52, 4165210), (56, 3867695), (65, 3332168), (70, 3094156), (91, 2380120), (104, 2082605), (130, 1666084), (140, 1547078), (157, 1379560), (182, 1190060), (260, 833042), (280, 773539), (314, 689780), (364, 595030), (379, 571480), (455, 476024), (520, 416521), (628, 344890), (728, 297515), (758, 285740), (785, 275912), (910, 238012), (1099, 197080), (1256, 172445), (1516, 142870), (1570, 137956), (1820, 119006), (1895, 114296), (2041, 106120), (2198, 98540), (2653, 81640), (3032, 71435), (3140, 68978), (3640, 59503), (3790, 57148), (4082, 53060), (4396, 49270), (4927, 43960), (5306, 40820), (5495, 39416), (6280, 34489), (7580, 28574), (8164, 26530), (8792, 24635), (9854, 21980), (10205, 21224), (10612, 20410), (10990, 19708), (13265, 16328), (14287, 15160)]