2181480

素因数分解:

$2^3\times 3^1\times 5^1\times 7^3\times {\mathrm{53}}^1$

素因数の和:88

約数の個数: 128

約数和(自身を含む): 7776000

約数和(自身を除く): 5594520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 49, 53, 56, 60, 70, 84, 98, 105, 106, 120, 140, 147, 159, 168, 196, 210, 212, 245, 265, 280, 294, 318, 343, 371, 392, 420, 424, 490, 530, 588, 636, 686, 735, 742, 795, 840, 980, 1029, 1060, 1113, 1176, 1272, 1372, 1470, 1484, 1590, 1715, 1855, 1960, 2058, 2120, 2226, 2597, 2744, 2940, 2968, 3180, 3430, 3710, 4116, 4452, 5145, 5194, 5565, 5880, 6360, 6860, 7420, 7791, 8232, 8904, 10290, 10388, 11130, 12985, 13720, 14840, 15582, 18179, 20580, 20776, 22260, 25970, 31164, 36358, 38955, 41160, 44520, 51940, 54537, 62328, 72716, 77910, 90895, 103880, 109074, 145432, 155820, 181790, 218148, 272685, 311640, 363580, 436296, 545370, 727160, 1090740, 2181480]

約数ペア:

[(1, 2181480), (2, 1090740), (3, 727160), (4, 545370), (5, 436296), (6, 363580), (7, 311640), (8, 272685), (10, 218148), (12, 181790), (14, 155820), (15, 145432), (20, 109074), (21, 103880), (24, 90895), (28, 77910), (30, 72716), (35, 62328), (40, 54537), (42, 51940), (49, 44520), (53, 41160), (56, 38955), (60, 36358), (70, 31164), (84, 25970), (98, 22260), (105, 20776), (106, 20580), (120, 18179), (140, 15582), (147, 14840), (159, 13720), (168, 12985), (196, 11130), (210, 10388), (212, 10290), (245, 8904), (265, 8232), (280, 7791), (294, 7420), (318, 6860), (343, 6360), (371, 5880), (392, 5565), (420, 5194), (424, 5145), (490, 4452), (530, 4116), (588, 3710), (636, 3430), (686, 3180), (735, 2968), (742, 2940), (795, 2744), (840, 2597), (980, 2226), (1029, 2120), (1060, 2058), (1113, 1960), (1176, 1855), (1272, 1715), (1372, 1590), (1470, 1484)]