297706640

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{1559}}^1$

素因数の和:1621

約数の個数: 160

約数和(自身を含む): 891371520

約数和(自身を除く): 593664880

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 31, 35, 40, 44, 55, 56, 62, 70, 77, 80, 88, 110, 112, 124, 140, 154, 155, 176, 217, 220, 248, 280, 308, 310, 341, 385, 434, 440, 496, 560, 616, 620, 682, 770, 868, 880, 1085, 1232, 1240, 1364, 1540, 1559, 1705, 1736, 2170, 2387, 2480, 2728, 3080, 3118, 3410, 3472, 4340, 4774, 5456, 6160, 6236, 6820, 7795, 8680, 9548, 10913, 11935, 12472, 13640, 15590, 17149, 17360, 19096, 21826, 23870, 24944, 27280, 31180, 34298, 38192, 43652, 47740, 48329, 54565, 62360, 68596, 85745, 87304, 95480, 96658, 109130, 120043, 124720, 137192, 171490, 174608, 190960, 193316, 218260, 240086, 241645, 274384, 338303, 342980, 386632, 436520, 480172, 483290, 531619, 600215, 676606, 685960, 773264, 873040, 960344, 966580, 1063238, 1200430, 1353212, 1371920, 1691515, 1920688, 1933160, 2126476, 2400860, 2658095, 2706424, 3383030, 3721333, 3866320, 4252952, 4801720, 5316190, 5412848, 6766060, 7442666, 8505904, 9603440, 10632380, 13532120, 14885332, 18606665, 21264760, 27064240, 29770664, 37213330, 42529520, 59541328, 74426660, 148853320, 297706640]

約数ペア:

[(1, 297706640), (2, 148853320), (4, 74426660), (5, 59541328), (7, 42529520), (8, 37213330), (10, 29770664), (11, 27064240), (14, 21264760), (16, 18606665), (20, 14885332), (22, 13532120), (28, 10632380), (31, 9603440), (35, 8505904), (40, 7442666), (44, 6766060), (55, 5412848), (56, 5316190), (62, 4801720), (70, 4252952), (77, 3866320), (80, 3721333), (88, 3383030), (110, 2706424), (112, 2658095), (124, 2400860), (140, 2126476), (154, 1933160), (155, 1920688), (176, 1691515), (217, 1371920), (220, 1353212), (248, 1200430), (280, 1063238), (308, 966580), (310, 960344), (341, 873040), (385, 773264), (434, 685960), (440, 676606), (496, 600215), (560, 531619), (616, 483290), (620, 480172), (682, 436520), (770, 386632), (868, 342980), (880, 338303), (1085, 274384), (1232, 241645), (1240, 240086), (1364, 218260), (1540, 193316), (1559, 190960), (1705, 174608), (1736, 171490), (2170, 137192), (2387, 124720), (2480, 120043), (2728, 109130), (3080, 96658), (3118, 95480), (3410, 87304), (3472, 85745), (4340, 68596), (4774, 62360), (5456, 54565), (6160, 48329), (6236, 47740), (6820, 43652), (7795, 38192), (8680, 34298), (9548, 31180), (10913, 27280), (11935, 24944), (12472, 23870), (13640, 21826), (15590, 19096), (17149, 17360)]