128905128

素因数分解:

$2^3\times 3^3\times {\mathrm{11}}^1\times {\mathrm{227}}^1\times {\mathrm{239}}^1$

素因数の和:492

約数の個数: 128

約数和(自身を含む): 393984000

約数和(自身を除く): 265078872

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 18, 22, 24, 27, 33, 36, 44, 54, 66, 72, 88, 99, 108, 132, 198, 216, 227, 239, 264, 297, 396, 454, 478, 594, 681, 717, 792, 908, 956, 1188, 1362, 1434, 1816, 1912, 2043, 2151, 2376, 2497, 2629, 2724, 2868, 4086, 4302, 4994, 5258, 5448, 5736, 6129, 6453, 7491, 7887, 8172, 8604, 9988, 10516, 12258, 12906, 14982, 15774, 16344, 17208, 19976, 21032, 22473, 23661, 24516, 25812, 29964, 31548, 44946, 47322, 49032, 51624, 54253, 59928, 63096, 67419, 70983, 89892, 94644, 108506, 134838, 141966, 162759, 179784, 189288, 217012, 269676, 283932, 325518, 434024, 488277, 539352, 567864, 596783, 651036, 976554, 1193566, 1302072, 1464831, 1790349, 1953108, 2387132, 2929662, 3580698, 3906216, 4774264, 5371047, 5859324, 7161396, 10742094, 11718648, 14322792, 16113141, 21484188, 32226282, 42968376, 64452564, 128905128]

約数ペア:

[(1, 128905128), (2, 64452564), (3, 42968376), (4, 32226282), (6, 21484188), (8, 16113141), (9, 14322792), (11, 11718648), (12, 10742094), (18, 7161396), (22, 5859324), (24, 5371047), (27, 4774264), (33, 3906216), (36, 3580698), (44, 2929662), (54, 2387132), (66, 1953108), (72, 1790349), (88, 1464831), (99, 1302072), (108, 1193566), (132, 976554), (198, 651036), (216, 596783), (227, 567864), (239, 539352), (264, 488277), (297, 434024), (396, 325518), (454, 283932), (478, 269676), (594, 217012), (681, 189288), (717, 179784), (792, 162759), (908, 141966), (956, 134838), (1188, 108506), (1362, 94644), (1434, 89892), (1816, 70983), (1912, 67419), (2043, 63096), (2151, 59928), (2376, 54253), (2497, 51624), (2629, 49032), (2724, 47322), (2868, 44946), (4086, 31548), (4302, 29964), (4994, 25812), (5258, 24516), (5448, 23661), (5736, 22473), (6129, 21032), (6453, 19976), (7491, 17208), (7887, 16344), (8172, 15774), (8604, 14982), (9988, 12906), (10516, 12258)]