128800620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{2897}}^1$

素因数の和:2944

約数の個数: 144

約数和(自身を含む): 443046240

約数和(自身を除く): 314245620

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 19, 20, 26, 30, 36, 38, 39, 45, 52, 57, 60, 65, 76, 78, 90, 95, 114, 117, 130, 156, 171, 180, 190, 195, 228, 234, 247, 260, 285, 342, 380, 390, 468, 494, 570, 585, 684, 741, 780, 855, 988, 1140, 1170, 1235, 1482, 1710, 2223, 2340, 2470, 2897, 2964, 3420, 3705, 4446, 4940, 5794, 7410, 8691, 8892, 11115, 11588, 14485, 14820, 17382, 22230, 26073, 28970, 34764, 37661, 43455, 44460, 52146, 55043, 57940, 75322, 86910, 104292, 110086, 112983, 130365, 150644, 165129, 173820, 188305, 220172, 225966, 260730, 275215, 330258, 338949, 376610, 451932, 495387, 521460, 550430, 564915, 660516, 677898, 715559, 753220, 825645, 990774, 1100860, 1129830, 1355796, 1431118, 1651290, 1694745, 1981548, 2146677, 2259660, 2476935, 2862236, 3302580, 3389490, 3577795, 4293354, 4953870, 6440031, 6778980, 7155590, 8586708, 9907740, 10733385, 12880062, 14311180, 21466770, 25760124, 32200155, 42933540, 64400310, 128800620]

約数ペア:

[(1, 128800620), (2, 64400310), (3, 42933540), (4, 32200155), (5, 25760124), (6, 21466770), (9, 14311180), (10, 12880062), (12, 10733385), (13, 9907740), (15, 8586708), (18, 7155590), (19, 6778980), (20, 6440031), (26, 4953870), (30, 4293354), (36, 3577795), (38, 3389490), (39, 3302580), (45, 2862236), (52, 2476935), (57, 2259660), (60, 2146677), (65, 1981548), (76, 1694745), (78, 1651290), (90, 1431118), (95, 1355796), (114, 1129830), (117, 1100860), (130, 990774), (156, 825645), (171, 753220), (180, 715559), (190, 677898), (195, 660516), (228, 564915), (234, 550430), (247, 521460), (260, 495387), (285, 451932), (342, 376610), (380, 338949), (390, 330258), (468, 275215), (494, 260730), (570, 225966), (585, 220172), (684, 188305), (741, 173820), (780, 165129), (855, 150644), (988, 130365), (1140, 112983), (1170, 110086), (1235, 104292), (1482, 86910), (1710, 75322), (2223, 57940), (2340, 55043), (2470, 52146), (2897, 44460), (2964, 43455), (3420, 37661), (3705, 34764), (4446, 28970), (4940, 26073), (5794, 22230), (7410, 17382), (8691, 14820), (8892, 14485), (11115, 11588)]