278273520

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{55213}}^1$

素因数の和:55239

約数の個数: 120

約数和(自身を含む): 1068059616

約数和(自身を除く): 789786096

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 105, 112, 120, 126, 140, 144, 168, 180, 210, 240, 252, 280, 315, 336, 360, 420, 504, 560, 630, 720, 840, 1008, 1260, 1680, 2520, 5040, 55213, 110426, 165639, 220852, 276065, 331278, 386491, 441704, 496917, 552130, 662556, 772982, 828195, 883408, 993834, 1104260, 1159473, 1325112, 1545964, 1656390, 1932455, 1987668, 2208520, 2318946, 2484585, 2650224, 3091928, 3312780, 3478419, 3864910, 3975336, 4417040, 4637892, 4969170, 5797365, 6183856, 6625560, 6956838, 7729820, 7950672, 9275784, 9938340, 11594730, 13251120, 13913676, 15459640, 17392095, 18551568, 19876680, 23189460, 27827352, 30919280, 34784190, 39753360, 46378920, 55654704, 69568380, 92757840, 139136760, 278273520]

約数ペア:

[(1, 278273520), (2, 139136760), (3, 92757840), (4, 69568380), (5, 55654704), (6, 46378920), (7, 39753360), (8, 34784190), (9, 30919280), (10, 27827352), (12, 23189460), (14, 19876680), (15, 18551568), (16, 17392095), (18, 15459640), (20, 13913676), (21, 13251120), (24, 11594730), (28, 9938340), (30, 9275784), (35, 7950672), (36, 7729820), (40, 6956838), (42, 6625560), (45, 6183856), (48, 5797365), (56, 4969170), (60, 4637892), (63, 4417040), (70, 3975336), (72, 3864910), (80, 3478419), (84, 3312780), (90, 3091928), (105, 2650224), (112, 2484585), (120, 2318946), (126, 2208520), (140, 1987668), (144, 1932455), (168, 1656390), (180, 1545964), (210, 1325112), (240, 1159473), (252, 1104260), (280, 993834), (315, 883408), (336, 828195), (360, 772982), (420, 662556), (504, 552130), (560, 496917), (630, 441704), (720, 386491), (840, 331278), (1008, 276065), (1260, 220852), (1680, 165639), (2520, 110426), (5040, 55213)]