290871180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{61}}^1\times {\mathrm{449}}^1$

素因数の和:584

約数の個数: 144

約数和(自身を含む): 914004000

約数和(自身を除く): 623132820

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 59, 60, 61, 90, 118, 122, 177, 180, 183, 236, 244, 295, 305, 354, 366, 449, 531, 549, 590, 610, 708, 732, 885, 898, 915, 1062, 1098, 1180, 1220, 1347, 1770, 1796, 1830, 2124, 2196, 2245, 2655, 2694, 2745, 3540, 3599, 3660, 4041, 4490, 5310, 5388, 5490, 6735, 7198, 8082, 8980, 10620, 10797, 10980, 13470, 14396, 16164, 17995, 20205, 21594, 26491, 26940, 27389, 32391, 35990, 40410, 43188, 52982, 53985, 54778, 64782, 71980, 79473, 80820, 82167, 105964, 107970, 109556, 129564, 132455, 136945, 158946, 161955, 164334, 215940, 238419, 246501, 264910, 273890, 317892, 323910, 328668, 397365, 410835, 476838, 493002, 529820, 547780, 647820, 794730, 821670, 953676, 986004, 1192095, 1232505, 1589460, 1615951, 1643340, 2384190, 2465010, 3231902, 4768380, 4847853, 4930020, 6463804, 8079755, 9695706, 14543559, 16159510, 19391412, 24239265, 29087118, 32319020, 48478530, 58174236, 72717795, 96957060, 145435590, 290871180]

約数ペア:

[(1, 290871180), (2, 145435590), (3, 96957060), (4, 72717795), (5, 58174236), (6, 48478530), (9, 32319020), (10, 29087118), (12, 24239265), (15, 19391412), (18, 16159510), (20, 14543559), (30, 9695706), (36, 8079755), (45, 6463804), (59, 4930020), (60, 4847853), (61, 4768380), (90, 3231902), (118, 2465010), (122, 2384190), (177, 1643340), (180, 1615951), (183, 1589460), (236, 1232505), (244, 1192095), (295, 986004), (305, 953676), (354, 821670), (366, 794730), (449, 647820), (531, 547780), (549, 529820), (590, 493002), (610, 476838), (708, 410835), (732, 397365), (885, 328668), (898, 323910), (915, 317892), (1062, 273890), (1098, 264910), (1180, 246501), (1220, 238419), (1347, 215940), (1770, 164334), (1796, 161955), (1830, 158946), (2124, 136945), (2196, 132455), (2245, 129564), (2655, 109556), (2694, 107970), (2745, 105964), (3540, 82167), (3599, 80820), (3660, 79473), (4041, 71980), (4490, 64782), (5310, 54778), (5388, 53985), (5490, 52982), (6735, 43188), (7198, 40410), (8082, 35990), (8980, 32391), (10620, 27389), (10797, 26940), (10980, 26491), (13470, 21594), (14396, 20205), (16164, 17995)]