30700980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{127}}^1$

素因数の和:238

約数の個数: 144

約数和(自身を含む): 100638720

約数和(自身を除く): 69937740

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 30, 34, 36, 45, 51, 60, 68, 79, 85, 90, 102, 127, 153, 158, 170, 180, 204, 237, 254, 255, 306, 316, 340, 381, 395, 474, 508, 510, 612, 635, 711, 762, 765, 790, 948, 1020, 1143, 1185, 1270, 1343, 1422, 1524, 1530, 1580, 1905, 2159, 2286, 2370, 2540, 2686, 2844, 3060, 3555, 3810, 4029, 4318, 4572, 4740, 5372, 5715, 6477, 6715, 7110, 7620, 8058, 8636, 10033, 10795, 11430, 12087, 12954, 13430, 14220, 16116, 19431, 20066, 20145, 21590, 22860, 24174, 25908, 26860, 30099, 32385, 38862, 40132, 40290, 43180, 48348, 50165, 60198, 60435, 64770, 77724, 80580, 90297, 97155, 100330, 120396, 120870, 129540, 150495, 170561, 180594, 194310, 200660, 241740, 300990, 341122, 361188, 388620, 451485, 511683, 601980, 682244, 852805, 902970, 1023366, 1535049, 1705610, 1805940, 2046732, 2558415, 3070098, 3411220, 5116830, 6140196, 7675245, 10233660, 15350490, 30700980]

約数ペア:

[(1, 30700980), (2, 15350490), (3, 10233660), (4, 7675245), (5, 6140196), (6, 5116830), (9, 3411220), (10, 3070098), (12, 2558415), (15, 2046732), (17, 1805940), (18, 1705610), (20, 1535049), (30, 1023366), (34, 902970), (36, 852805), (45, 682244), (51, 601980), (60, 511683), (68, 451485), (79, 388620), (85, 361188), (90, 341122), (102, 300990), (127, 241740), (153, 200660), (158, 194310), (170, 180594), (180, 170561), (204, 150495), (237, 129540), (254, 120870), (255, 120396), (306, 100330), (316, 97155), (340, 90297), (381, 80580), (395, 77724), (474, 64770), (508, 60435), (510, 60198), (612, 50165), (635, 48348), (711, 43180), (762, 40290), (765, 40132), (790, 38862), (948, 32385), (1020, 30099), (1143, 26860), (1185, 25908), (1270, 24174), (1343, 22860), (1422, 21590), (1524, 20145), (1530, 20066), (1580, 19431), (1905, 16116), (2159, 14220), (2286, 13430), (2370, 12954), (2540, 12087), (2686, 11430), (2844, 10795), (3060, 10033), (3555, 8636), (3810, 8058), (4029, 7620), (4318, 7110), (4572, 6715), (4740, 6477), (5372, 5715)]