291330720

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{307}}^1\times {\mathrm{659}}^1$

素因数の和:987

約数の個数: 144

約数和(自身を含む): 998917920

約数和(自身を除く): 707587200

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 307, 360, 480, 614, 659, 720, 921, 1228, 1318, 1440, 1535, 1842, 1977, 2456, 2636, 2763, 3070, 3295, 3684, 3954, 4605, 4912, 5272, 5526, 5931, 6140, 6590, 7368, 7908, 9210, 9824, 9885, 10544, 11052, 11862, 12280, 13180, 13815, 14736, 15816, 18420, 19770, 21088, 22104, 23724, 24560, 26360, 27630, 29472, 29655, 31632, 36840, 39540, 44208, 47448, 49120, 52720, 55260, 59310, 63264, 73680, 79080, 88416, 94896, 105440, 110520, 118620, 147360, 158160, 189792, 202313, 221040, 237240, 316320, 404626, 442080, 474480, 606939, 809252, 948960, 1011565, 1213878, 1618504, 1820817, 2023130, 2427756, 3034695, 3237008, 3641634, 4046260, 4855512, 6069390, 6474016, 7283268, 8092520, 9104085, 9711024, 12138780, 14566536, 16185040, 18208170, 19422048, 24277560, 29133072, 32370080, 36416340, 48555120, 58266144, 72832680, 97110240, 145665360, 291330720]

約数ペア:

[(1, 291330720), (2, 145665360), (3, 97110240), (4, 72832680), (5, 58266144), (6, 48555120), (8, 36416340), (9, 32370080), (10, 29133072), (12, 24277560), (15, 19422048), (16, 18208170), (18, 16185040), (20, 14566536), (24, 12138780), (30, 9711024), (32, 9104085), (36, 8092520), (40, 7283268), (45, 6474016), (48, 6069390), (60, 4855512), (72, 4046260), (80, 3641634), (90, 3237008), (96, 3034695), (120, 2427756), (144, 2023130), (160, 1820817), (180, 1618504), (240, 1213878), (288, 1011565), (307, 948960), (360, 809252), (480, 606939), (614, 474480), (659, 442080), (720, 404626), (921, 316320), (1228, 237240), (1318, 221040), (1440, 202313), (1535, 189792), (1842, 158160), (1977, 147360), (2456, 118620), (2636, 110520), (2763, 105440), (3070, 94896), (3295, 88416), (3684, 79080), (3954, 73680), (4605, 63264), (4912, 59310), (5272, 55260), (5526, 52720), (5931, 49120), (6140, 47448), (6590, 44208), (7368, 39540), (7908, 36840), (9210, 31632), (9824, 29655), (9885, 29472), (10544, 27630), (11052, 26360), (11862, 24560), (12280, 23724), (13180, 22104), (13815, 21088), (14736, 19770), (15816, 18420)]