30217860

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{811}}^1$

素因数の和:855

約数の個数: 120

約数和(自身を含む): 99038016

約数和(自身を除く): 68820156

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 27, 30, 36, 45, 46, 54, 60, 69, 81, 90, 92, 108, 115, 135, 138, 162, 180, 207, 230, 270, 276, 324, 345, 405, 414, 460, 540, 621, 690, 810, 811, 828, 1035, 1242, 1380, 1620, 1622, 1863, 2070, 2433, 2484, 3105, 3244, 3726, 4055, 4140, 4866, 6210, 7299, 7452, 8110, 9315, 9732, 12165, 12420, 14598, 16220, 18630, 18653, 21897, 24330, 29196, 36495, 37260, 37306, 43794, 48660, 55959, 65691, 72990, 74612, 87588, 93265, 109485, 111918, 131382, 145980, 167877, 186530, 218970, 223836, 262764, 279795, 328455, 335754, 373060, 437940, 503631, 559590, 656910, 671508, 839385, 1007262, 1119180, 1313820, 1510893, 1678770, 2014524, 2518155, 3021786, 3357540, 5036310, 6043572, 7554465, 10072620, 15108930, 30217860]

約数ペア:

[(1, 30217860), (2, 15108930), (3, 10072620), (4, 7554465), (5, 6043572), (6, 5036310), (9, 3357540), (10, 3021786), (12, 2518155), (15, 2014524), (18, 1678770), (20, 1510893), (23, 1313820), (27, 1119180), (30, 1007262), (36, 839385), (45, 671508), (46, 656910), (54, 559590), (60, 503631), (69, 437940), (81, 373060), (90, 335754), (92, 328455), (108, 279795), (115, 262764), (135, 223836), (138, 218970), (162, 186530), (180, 167877), (207, 145980), (230, 131382), (270, 111918), (276, 109485), (324, 93265), (345, 87588), (405, 74612), (414, 72990), (460, 65691), (540, 55959), (621, 48660), (690, 43794), (810, 37306), (811, 37260), (828, 36495), (1035, 29196), (1242, 24330), (1380, 21897), (1620, 18653), (1622, 18630), (1863, 16220), (2070, 14598), (2433, 12420), (2484, 12165), (3105, 9732), (3244, 9315), (3726, 8110), (4055, 7452), (4140, 7299), (4866, 6210)]