21697119480

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{124097}}^1$

素因数の和:124189

約数の個数: 128

約数和(自身を含む): 68621230080

約数和(自身を除く): 46924110600

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 31, 40, 47, 60, 62, 93, 94, 120, 124, 141, 155, 186, 188, 235, 248, 282, 310, 372, 376, 465, 470, 564, 620, 705, 744, 930, 940, 1128, 1240, 1410, 1457, 1860, 1880, 2820, 2914, 3720, 4371, 5640, 5828, 7285, 8742, 11656, 14570, 17484, 21855, 29140, 34968, 43710, 58280, 87420, 124097, 174840, 248194, 372291, 496388, 620485, 744582, 992776, 1240970, 1489164, 1861455, 2481940, 2978328, 3722910, 3847007, 4963880, 5832559, 7445820, 7694014, 11541021, 11665118, 14891640, 15388028, 17497677, 19235035, 23082042, 23330236, 29162795, 30776056, 34995354, 38470070, 46164084, 46660472, 57705105, 58325590, 69990708, 76940140, 87488385, 92328168, 115410210, 116651180, 139981416, 153880280, 174976770, 180809329, 230820420, 233302360, 349953540, 361618658, 461640840, 542427987, 699907080, 723237316, 904046645, 1084855974, 1446474632, 1808093290, 2169711948, 2712139935, 3616186580, 4339423896, 5424279870, 7232373160, 10848559740, 21697119480]

約数ペア:

[(1, 21697119480), (2, 10848559740), (3, 7232373160), (4, 5424279870), (5, 4339423896), (6, 3616186580), (8, 2712139935), (10, 2169711948), (12, 1808093290), (15, 1446474632), (20, 1084855974), (24, 904046645), (30, 723237316), (31, 699907080), (40, 542427987), (47, 461640840), (60, 361618658), (62, 349953540), (93, 233302360), (94, 230820420), (120, 180809329), (124, 174976770), (141, 153880280), (155, 139981416), (186, 116651180), (188, 115410210), (235, 92328168), (248, 87488385), (282, 76940140), (310, 69990708), (372, 58325590), (376, 57705105), (465, 46660472), (470, 46164084), (564, 38470070), (620, 34995354), (705, 30776056), (744, 29162795), (930, 23330236), (940, 23082042), (1128, 19235035), (1240, 17497677), (1410, 15388028), (1457, 14891640), (1860, 11665118), (1880, 11541021), (2820, 7694014), (2914, 7445820), (3720, 5832559), (4371, 4963880), (5640, 3847007), (5828, 3722910), (7285, 2978328), (8742, 2481940), (11656, 1861455), (14570, 1489164), (17484, 1240970), (21855, 992776), (29140, 744582), (34968, 620485), (43710, 496388), (58280, 372291), (87420, 248194), (124097, 174840)]