31072980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{281}}^1$

素因数の和:409

約数の個数: 96

約数和(自身を含む): 92856960

約数和(自身を除く): 61783980

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 38, 57, 60, 76, 95, 97, 114, 190, 194, 228, 281, 285, 291, 380, 388, 485, 562, 570, 582, 843, 970, 1124, 1140, 1164, 1405, 1455, 1686, 1843, 1940, 2810, 2910, 3372, 3686, 4215, 5339, 5529, 5620, 5820, 7372, 8430, 9215, 10678, 11058, 16017, 16860, 18430, 21356, 22116, 26695, 27257, 27645, 32034, 36860, 53390, 54514, 55290, 64068, 80085, 81771, 106780, 109028, 110580, 136285, 160170, 163542, 272570, 320340, 327084, 408855, 517883, 545140, 817710, 1035766, 1553649, 1635420, 2071532, 2589415, 3107298, 5178830, 6214596, 7768245, 10357660, 15536490, 31072980]

約数ペア:

[(1, 31072980), (2, 15536490), (3, 10357660), (4, 7768245), (5, 6214596), (6, 5178830), (10, 3107298), (12, 2589415), (15, 2071532), (19, 1635420), (20, 1553649), (30, 1035766), (38, 817710), (57, 545140), (60, 517883), (76, 408855), (95, 327084), (97, 320340), (114, 272570), (190, 163542), (194, 160170), (228, 136285), (281, 110580), (285, 109028), (291, 106780), (380, 81771), (388, 80085), (485, 64068), (562, 55290), (570, 54514), (582, 53390), (843, 36860), (970, 32034), (1124, 27645), (1140, 27257), (1164, 26695), (1405, 22116), (1455, 21356), (1686, 18430), (1843, 16860), (1940, 16017), (2810, 11058), (2910, 10678), (3372, 9215), (3686, 8430), (4215, 7372), (5339, 5820), (5529, 5620)]