644019792

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^3\times {\mathrm{31}}^1\times {\mathrm{197}}^1$

素因数の和:278

約数の個数: 160

約数和(自身を含む): 1869880320

約数和(自身を除く): 1225860528

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 31, 39, 48, 52, 62, 78, 93, 104, 124, 156, 169, 186, 197, 208, 248, 312, 338, 372, 394, 403, 496, 507, 591, 624, 676, 744, 788, 806, 1014, 1182, 1209, 1352, 1488, 1576, 1612, 2028, 2197, 2364, 2418, 2561, 2704, 3152, 3224, 4056, 4394, 4728, 4836, 5122, 5239, 6107, 6448, 6591, 7683, 8112, 8788, 9456, 9672, 10244, 10478, 12214, 13182, 15366, 15717, 17576, 18321, 19344, 20488, 20956, 24428, 26364, 30732, 31434, 33293, 35152, 36642, 40976, 41912, 48856, 52728, 61464, 62868, 66586, 68107, 73284, 79391, 83824, 97712, 99879, 105456, 122928, 125736, 133172, 136214, 146568, 158782, 199758, 204321, 238173, 251472, 266344, 272428, 293136, 317564, 399516, 408642, 432809, 476346, 532688, 544856, 635128, 799032, 817284, 865618, 952692, 1032083, 1089712, 1270256, 1298427, 1598064, 1634568, 1731236, 1905384, 2064166, 2596854, 3096249, 3269136, 3462472, 3810768, 4128332, 5193708, 6192498, 6924944, 8256664, 10387416, 12384996, 13417079, 16513328, 20774832, 24769992, 26834158, 40251237, 49539984, 53668316, 80502474, 107336632, 161004948, 214673264, 322009896, 644019792]

約数ペア:

[(1, 644019792), (2, 322009896), (3, 214673264), (4, 161004948), (6, 107336632), (8, 80502474), (12, 53668316), (13, 49539984), (16, 40251237), (24, 26834158), (26, 24769992), (31, 20774832), (39, 16513328), (48, 13417079), (52, 12384996), (62, 10387416), (78, 8256664), (93, 6924944), (104, 6192498), (124, 5193708), (156, 4128332), (169, 3810768), (186, 3462472), (197, 3269136), (208, 3096249), (248, 2596854), (312, 2064166), (338, 1905384), (372, 1731236), (394, 1634568), (403, 1598064), (496, 1298427), (507, 1270256), (591, 1089712), (624, 1032083), (676, 952692), (744, 865618), (788, 817284), (806, 799032), (1014, 635128), (1182, 544856), (1209, 532688), (1352, 476346), (1488, 432809), (1576, 408642), (1612, 399516), (2028, 317564), (2197, 293136), (2364, 272428), (2418, 266344), (2561, 251472), (2704, 238173), (3152, 204321), (3224, 199758), (4056, 158782), (4394, 146568), (4728, 136214), (4836, 133172), (5122, 125736), (5239, 122928), (6107, 105456), (6448, 99879), (6591, 97712), (7683, 83824), (8112, 79391), (8788, 73284), (9456, 68107), (9672, 66586), (10244, 62868), (10478, 61464), (12214, 52728), (13182, 48856), (15366, 41912), (15717, 40976), (17576, 36642), (18321, 35152), (19344, 33293), (20488, 31434), (20956, 30732), (24428, 26364)]