78305040

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{9887}}^1$

素因数の和:9917

約数の個数: 120

約数和(自身を含む): 286910208

約数和(自身を除く): 208605168

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 30, 33, 36, 40, 44, 45, 48, 55, 60, 66, 72, 80, 88, 90, 99, 110, 120, 132, 144, 165, 176, 180, 198, 220, 240, 264, 330, 360, 396, 440, 495, 528, 660, 720, 792, 880, 990, 1320, 1584, 1980, 2640, 3960, 7920, 9887, 19774, 29661, 39548, 49435, 59322, 79096, 88983, 98870, 108757, 118644, 148305, 158192, 177966, 197740, 217514, 237288, 296610, 326271, 355932, 395480, 435028, 444915, 474576, 543785, 593220, 652542, 711864, 790960, 870056, 889830, 978813, 1087570, 1186440, 1305084, 1423728, 1631355, 1740112, 1779660, 1957626, 2175140, 2372880, 2610168, 3262710, 3559320, 3915252, 4350280, 4894065, 5220336, 6525420, 7118640, 7830504, 8700560, 9788130, 13050840, 15661008, 19576260, 26101680, 39152520, 78305040]

約数ペア:

[(1, 78305040), (2, 39152520), (3, 26101680), (4, 19576260), (5, 15661008), (6, 13050840), (8, 9788130), (9, 8700560), (10, 7830504), (11, 7118640), (12, 6525420), (15, 5220336), (16, 4894065), (18, 4350280), (20, 3915252), (22, 3559320), (24, 3262710), (30, 2610168), (33, 2372880), (36, 2175140), (40, 1957626), (44, 1779660), (45, 1740112), (48, 1631355), (55, 1423728), (60, 1305084), (66, 1186440), (72, 1087570), (80, 978813), (88, 889830), (90, 870056), (99, 790960), (110, 711864), (120, 652542), (132, 593220), (144, 543785), (165, 474576), (176, 444915), (180, 435028), (198, 395480), (220, 355932), (240, 326271), (264, 296610), (330, 237288), (360, 217514), (396, 197740), (440, 177966), (495, 158192), (528, 148305), (660, 118644), (720, 108757), (792, 98870), (880, 88983), (990, 79096), (1320, 59322), (1584, 49435), (1980, 39548), (2640, 29661), (3960, 19774), (7920, 9887)]