644927472

素因数分解:

$2^4\times 3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{20639}}^1$

素因数の和:20691

約数の個数: 120

約数和(自身を含む): 2129387520

約数和(自身を除く): 1484460048

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 31, 36, 42, 48, 56, 62, 63, 72, 84, 93, 112, 124, 126, 144, 168, 186, 217, 248, 252, 279, 336, 372, 434, 496, 504, 558, 651, 744, 868, 1008, 1116, 1302, 1488, 1736, 1953, 2232, 2604, 3472, 3906, 4464, 5208, 7812, 10416, 15624, 20639, 31248, 41278, 61917, 82556, 123834, 144473, 165112, 185751, 247668, 288946, 330224, 371502, 433419, 495336, 577892, 639809, 743004, 866838, 990672, 1155784, 1279618, 1300257, 1486008, 1733676, 1919427, 2311568, 2559236, 2600514, 2972016, 3467352, 3838854, 4478663, 5118472, 5201028, 5758281, 6934704, 7677708, 8957326, 10236944, 10402056, 11516562, 13435989, 15355416, 17914652, 20804112, 23033124, 26871978, 30710832, 35829304, 40307967, 46066248, 53743956, 71658608, 80615934, 92132496, 107487912, 161231868, 214975824, 322463736, 644927472]

約数ペア:

[(1, 644927472), (2, 322463736), (3, 214975824), (4, 161231868), (6, 107487912), (7, 92132496), (8, 80615934), (9, 71658608), (12, 53743956), (14, 46066248), (16, 40307967), (18, 35829304), (21, 30710832), (24, 26871978), (28, 23033124), (31, 20804112), (36, 17914652), (42, 15355416), (48, 13435989), (56, 11516562), (62, 10402056), (63, 10236944), (72, 8957326), (84, 7677708), (93, 6934704), (112, 5758281), (124, 5201028), (126, 5118472), (144, 4478663), (168, 3838854), (186, 3467352), (217, 2972016), (248, 2600514), (252, 2559236), (279, 2311568), (336, 1919427), (372, 1733676), (434, 1486008), (496, 1300257), (504, 1279618), (558, 1155784), (651, 990672), (744, 866838), (868, 743004), (1008, 639809), (1116, 577892), (1302, 495336), (1488, 433419), (1736, 371502), (1953, 330224), (2232, 288946), (2604, 247668), (3472, 185751), (3906, 165112), (4464, 144473), (5208, 123834), (7812, 82556), (10416, 61917), (15624, 41278), (20639, 31248)]