278318664

素因数分解:

$2^3\times 3^2\times {\mathrm{13}}^2\times {\mathrm{89}}^1\times {\mathrm{257}}^1$

素因数の和:384

約数の個数: 144

約数和(自身を含む): 828605700

約数和(自身を除く): 550287036

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 36, 39, 52, 72, 78, 89, 104, 117, 156, 169, 178, 234, 257, 267, 312, 338, 356, 468, 507, 514, 534, 676, 712, 771, 801, 936, 1014, 1028, 1068, 1157, 1352, 1521, 1542, 1602, 2028, 2056, 2136, 2313, 2314, 3042, 3084, 3204, 3341, 3471, 4056, 4626, 4628, 6084, 6168, 6408, 6682, 6942, 9252, 9256, 10023, 10413, 12168, 13364, 13884, 15041, 18504, 20046, 20826, 22873, 26728, 27768, 30069, 30082, 40092, 41652, 43433, 45123, 45746, 60138, 60164, 68619, 80184, 83304, 86866, 90246, 91492, 120276, 120328, 130299, 135369, 137238, 173732, 180492, 182984, 205857, 240552, 260598, 270738, 274476, 297349, 347464, 360984, 390897, 411714, 521196, 541476, 548952, 594698, 781794, 823428, 892047, 1042392, 1082952, 1189396, 1563588, 1646856, 1784094, 2378792, 2676141, 3127176, 3568188, 3865537, 5352282, 7136376, 7731074, 10704564, 11596611, 15462148, 21409128, 23193222, 30924296, 34789833, 46386444, 69579666, 92772888, 139159332, 278318664]

約数ペア:

[(1, 278318664), (2, 139159332), (3, 92772888), (4, 69579666), (6, 46386444), (8, 34789833), (9, 30924296), (12, 23193222), (13, 21409128), (18, 15462148), (24, 11596611), (26, 10704564), (36, 7731074), (39, 7136376), (52, 5352282), (72, 3865537), (78, 3568188), (89, 3127176), (104, 2676141), (117, 2378792), (156, 1784094), (169, 1646856), (178, 1563588), (234, 1189396), (257, 1082952), (267, 1042392), (312, 892047), (338, 823428), (356, 781794), (468, 594698), (507, 548952), (514, 541476), (534, 521196), (676, 411714), (712, 390897), (771, 360984), (801, 347464), (936, 297349), (1014, 274476), (1028, 270738), (1068, 260598), (1157, 240552), (1352, 205857), (1521, 182984), (1542, 180492), (1602, 173732), (2028, 137238), (2056, 135369), (2136, 130299), (2313, 120328), (2314, 120276), (3042, 91492), (3084, 90246), (3204, 86866), (3341, 83304), (3471, 80184), (4056, 68619), (4626, 60164), (4628, 60138), (6084, 45746), (6168, 45123), (6408, 43433), (6682, 41652), (6942, 40092), (9252, 30082), (9256, 30069), (10023, 27768), (10413, 26728), (12168, 22873), (13364, 20826), (13884, 20046), (15041, 18504)]