30505440

素因数分解:

$2^5\times 3^1\times 5^1\times 7^2\times {\mathrm{1297}}^1$

素因数の和:1329

約数の個数: 144

約数和(自身を含む): 111866832

約数和(自身を除く): 81361392

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 49, 56, 60, 70, 80, 84, 96, 98, 105, 112, 120, 140, 147, 160, 168, 196, 210, 224, 240, 245, 280, 294, 336, 392, 420, 480, 490, 560, 588, 672, 735, 784, 840, 980, 1120, 1176, 1297, 1470, 1568, 1680, 1960, 2352, 2594, 2940, 3360, 3891, 3920, 4704, 5188, 5880, 6485, 7782, 7840, 9079, 10376, 11760, 12970, 15564, 18158, 19455, 20752, 23520, 25940, 27237, 31128, 36316, 38910, 41504, 45395, 51880, 54474, 62256, 63553, 72632, 77820, 90790, 103760, 108948, 124512, 127106, 136185, 145264, 155640, 181580, 190659, 207520, 217896, 254212, 272370, 290528, 311280, 317765, 363160, 381318, 435792, 508424, 544740, 622560, 635530, 726320, 762636, 871584, 953295, 1016848, 1089480, 1271060, 1452640, 1525272, 1906590, 2033696, 2178960, 2542120, 3050544, 3813180, 4357920, 5084240, 6101088, 7626360, 10168480, 15252720, 30505440]

約数ペア:

[(1, 30505440), (2, 15252720), (3, 10168480), (4, 7626360), (5, 6101088), (6, 5084240), (7, 4357920), (8, 3813180), (10, 3050544), (12, 2542120), (14, 2178960), (15, 2033696), (16, 1906590), (20, 1525272), (21, 1452640), (24, 1271060), (28, 1089480), (30, 1016848), (32, 953295), (35, 871584), (40, 762636), (42, 726320), (48, 635530), (49, 622560), (56, 544740), (60, 508424), (70, 435792), (80, 381318), (84, 363160), (96, 317765), (98, 311280), (105, 290528), (112, 272370), (120, 254212), (140, 217896), (147, 207520), (160, 190659), (168, 181580), (196, 155640), (210, 145264), (224, 136185), (240, 127106), (245, 124512), (280, 108948), (294, 103760), (336, 90790), (392, 77820), (420, 72632), (480, 63553), (490, 62256), (560, 54474), (588, 51880), (672, 45395), (735, 41504), (784, 38910), (840, 36316), (980, 31128), (1120, 27237), (1176, 25940), (1297, 23520), (1470, 20752), (1568, 19455), (1680, 18158), (1960, 15564), (2352, 12970), (2594, 11760), (2940, 10376), (3360, 9079), (3891, 7840), (3920, 7782), (4704, 6485), (5188, 5880)]