640160664

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{547}}^1$

素因数の和:622

約数の個数: 192

約数和(自身を含む): 1959121920

約数和(自身を除く): 1318961256

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 13, 22, 24, 26, 31, 33, 39, 44, 52, 62, 66, 78, 88, 93, 104, 121, 124, 132, 143, 156, 186, 242, 248, 264, 286, 312, 341, 363, 372, 403, 429, 484, 547, 572, 682, 726, 744, 806, 858, 968, 1023, 1094, 1144, 1209, 1364, 1452, 1573, 1612, 1641, 1716, 2046, 2188, 2418, 2728, 2904, 3146, 3224, 3282, 3432, 3751, 4092, 4376, 4433, 4719, 4836, 6017, 6292, 6564, 7111, 7502, 8184, 8866, 9438, 9672, 11253, 12034, 12584, 13128, 13299, 14222, 15004, 16957, 17732, 18051, 18876, 21333, 22506, 24068, 26598, 28444, 30008, 33914, 35464, 36102, 37752, 42666, 45012, 48136, 48763, 50871, 53196, 56888, 66187, 67828, 72204, 78221, 85332, 90024, 97526, 101742, 106392, 132374, 135656, 144408, 146289, 156442, 170664, 186527, 195052, 198561, 203484, 220441, 234663, 264748, 292578, 312884, 373054, 390104, 397122, 406968, 440882, 469326, 529496, 559581, 585156, 625768, 661323, 746108, 794244, 860431, 881764, 938652, 1119162, 1170312, 1322646, 1492216, 1588488, 1720862, 1763528, 1877304, 2051797, 2238324, 2424851, 2581293, 2645292, 3441724, 4103594, 4476648, 4849702, 5162586, 5290584, 6155391, 6883448, 7274553, 8207188, 9699404, 10325172, 12310782, 14549106, 16414376, 19398808, 20650344, 24621564, 26673361, 29098212, 49243128, 53346722, 58196424, 80020083, 106693444, 160040166, 213386888, 320080332, 640160664]

約数ペア:

[(1, 640160664), (2, 320080332), (3, 213386888), (4, 160040166), (6, 106693444), (8, 80020083), (11, 58196424), (12, 53346722), (13, 49243128), (22, 29098212), (24, 26673361), (26, 24621564), (31, 20650344), (33, 19398808), (39, 16414376), (44, 14549106), (52, 12310782), (62, 10325172), (66, 9699404), (78, 8207188), (88, 7274553), (93, 6883448), (104, 6155391), (121, 5290584), (124, 5162586), (132, 4849702), (143, 4476648), (156, 4103594), (186, 3441724), (242, 2645292), (248, 2581293), (264, 2424851), (286, 2238324), (312, 2051797), (341, 1877304), (363, 1763528), (372, 1720862), (403, 1588488), (429, 1492216), (484, 1322646), (547, 1170312), (572, 1119162), (682, 938652), (726, 881764), (744, 860431), (806, 794244), (858, 746108), (968, 661323), (1023, 625768), (1094, 585156), (1144, 559581), (1209, 529496), (1364, 469326), (1452, 440882), (1573, 406968), (1612, 397122), (1641, 390104), (1716, 373054), (2046, 312884), (2188, 292578), (2418, 264748), (2728, 234663), (2904, 220441), (3146, 203484), (3224, 198561), (3282, 195052), (3432, 186527), (3751, 170664), (4092, 156442), (4376, 146289), (4433, 144408), (4719, 135656), (4836, 132374), (6017, 106392), (6292, 101742), (6564, 97526), (7111, 90024), (7502, 85332), (8184, 78221), (8866, 72204), (9438, 67828), (9672, 66187), (11253, 56888), (12034, 53196), (12584, 50871), (13128, 48763), (13299, 48136), (14222, 45012), (15004, 42666), (16957, 37752), (17732, 36102), (18051, 35464), (18876, 33914), (21333, 30008), (22506, 28444), (24068, 26598)]