1887480

素因数分解:

$2^3\times 3^2\times 5^1\times 7^2\times {\mathrm{107}}^1$

素因数の和:138

約数の個数: 144

約数和(自身を含む): 7202520

約数和(自身を除く): 5315040

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 49, 56, 60, 63, 70, 72, 84, 90, 98, 105, 107, 120, 126, 140, 147, 168, 180, 196, 210, 214, 245, 252, 280, 294, 315, 321, 360, 392, 420, 428, 441, 490, 504, 535, 588, 630, 642, 735, 749, 840, 856, 882, 963, 980, 1070, 1176, 1260, 1284, 1470, 1498, 1605, 1764, 1926, 1960, 2140, 2205, 2247, 2520, 2568, 2940, 2996, 3210, 3528, 3745, 3852, 4280, 4410, 4494, 4815, 5243, 5880, 5992, 6420, 6741, 7490, 7704, 8820, 8988, 9630, 10486, 11235, 12840, 13482, 14980, 15729, 17640, 17976, 19260, 20972, 22470, 26215, 26964, 29960, 31458, 33705, 38520, 41944, 44940, 47187, 52430, 53928, 62916, 67410, 78645, 89880, 94374, 104860, 125832, 134820, 157290, 188748, 209720, 235935, 269640, 314580, 377496, 471870, 629160, 943740, 1887480]

約数ペア:

[(1, 1887480), (2, 943740), (3, 629160), (4, 471870), (5, 377496), (6, 314580), (7, 269640), (8, 235935), (9, 209720), (10, 188748), (12, 157290), (14, 134820), (15, 125832), (18, 104860), (20, 94374), (21, 89880), (24, 78645), (28, 67410), (30, 62916), (35, 53928), (36, 52430), (40, 47187), (42, 44940), (45, 41944), (49, 38520), (56, 33705), (60, 31458), (63, 29960), (70, 26964), (72, 26215), (84, 22470), (90, 20972), (98, 19260), (105, 17976), (107, 17640), (120, 15729), (126, 14980), (140, 13482), (147, 12840), (168, 11235), (180, 10486), (196, 9630), (210, 8988), (214, 8820), (245, 7704), (252, 7490), (280, 6741), (294, 6420), (315, 5992), (321, 5880), (360, 5243), (392, 4815), (420, 4494), (428, 4410), (441, 4280), (490, 3852), (504, 3745), (535, 3528), (588, 3210), (630, 2996), (642, 2940), (735, 2568), (749, 2520), (840, 2247), (856, 2205), (882, 2140), (963, 1960), (980, 1926), (1070, 1764), (1176, 1605), (1260, 1498), (1284, 1470)]