84977820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{157}}^1$

素因数の和:300

約数の個数: 144

約数和(自身を含む): 270536448

約数和(自身を除く): 185558628

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 31, 36, 45, 60, 62, 90, 93, 97, 124, 155, 157, 180, 186, 194, 279, 291, 310, 314, 372, 388, 465, 471, 485, 558, 582, 620, 628, 785, 873, 930, 942, 970, 1116, 1164, 1395, 1413, 1455, 1570, 1746, 1860, 1884, 1940, 2355, 2790, 2826, 2910, 3007, 3140, 3492, 4365, 4710, 4867, 5580, 5652, 5820, 6014, 7065, 8730, 9021, 9420, 9734, 12028, 14130, 14601, 15035, 15229, 17460, 18042, 19468, 24335, 27063, 28260, 29202, 30070, 30458, 36084, 43803, 45105, 45687, 48670, 54126, 58404, 60140, 60916, 73005, 76145, 87606, 90210, 91374, 97340, 108252, 135315, 137061, 146010, 152290, 175212, 180420, 182748, 219015, 228435, 270630, 274122, 292020, 304580, 438030, 456870, 472099, 541260, 548244, 685305, 876060, 913740, 944198, 1370610, 1416297, 1888396, 2360495, 2741220, 2832594, 4248891, 4720990, 5665188, 7081485, 8497782, 9441980, 14162970, 16995564, 21244455, 28325940, 42488910, 84977820]

約数ペア:

[(1, 84977820), (2, 42488910), (3, 28325940), (4, 21244455), (5, 16995564), (6, 14162970), (9, 9441980), (10, 8497782), (12, 7081485), (15, 5665188), (18, 4720990), (20, 4248891), (30, 2832594), (31, 2741220), (36, 2360495), (45, 1888396), (60, 1416297), (62, 1370610), (90, 944198), (93, 913740), (97, 876060), (124, 685305), (155, 548244), (157, 541260), (180, 472099), (186, 456870), (194, 438030), (279, 304580), (291, 292020), (310, 274122), (314, 270630), (372, 228435), (388, 219015), (465, 182748), (471, 180420), (485, 175212), (558, 152290), (582, 146010), (620, 137061), (628, 135315), (785, 108252), (873, 97340), (930, 91374), (942, 90210), (970, 87606), (1116, 76145), (1164, 73005), (1395, 60916), (1413, 60140), (1455, 58404), (1570, 54126), (1746, 48670), (1860, 45687), (1884, 45105), (1940, 43803), (2355, 36084), (2790, 30458), (2826, 30070), (2910, 29202), (3007, 28260), (3140, 27063), (3492, 24335), (4365, 19468), (4710, 18042), (4867, 17460), (5580, 15229), (5652, 15035), (5820, 14601), (6014, 14130), (7065, 12028), (8730, 9734), (9021, 9420)]