668615688

素因数分解:

$2^3\times 3^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{7681}}^1$

素因数の和:7740

約数の個数: 128

約数和(自身を含む): 2064921600

約数和(自身を除く): 1396305912

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 27, 31, 36, 39, 52, 54, 62, 72, 78, 93, 104, 108, 117, 124, 156, 186, 216, 234, 248, 279, 312, 351, 372, 403, 468, 558, 702, 744, 806, 837, 936, 1116, 1209, 1404, 1612, 1674, 2232, 2418, 2808, 3224, 3348, 3627, 4836, 6696, 7254, 7681, 9672, 10881, 14508, 15362, 21762, 23043, 29016, 30724, 43524, 46086, 61448, 69129, 87048, 92172, 99853, 138258, 184344, 199706, 207387, 238111, 276516, 299559, 399412, 414774, 476222, 553032, 599118, 714333, 798824, 829548, 898677, 952444, 1198236, 1428666, 1659096, 1797354, 1904888, 2142999, 2396472, 2696031, 2857332, 3095443, 3594708, 4285998, 5392062, 5714664, 6190886, 6428997, 7189416, 8571996, 9286329, 10784124, 12381772, 12857994, 17143992, 18572658, 21568248, 24763544, 25715988, 27858987, 37145316, 51431976, 55717974, 74290632, 83576961, 111435948, 167153922, 222871896, 334307844, 668615688]

約数ペア:

[(1, 668615688), (2, 334307844), (3, 222871896), (4, 167153922), (6, 111435948), (8, 83576961), (9, 74290632), (12, 55717974), (13, 51431976), (18, 37145316), (24, 27858987), (26, 25715988), (27, 24763544), (31, 21568248), (36, 18572658), (39, 17143992), (52, 12857994), (54, 12381772), (62, 10784124), (72, 9286329), (78, 8571996), (93, 7189416), (104, 6428997), (108, 6190886), (117, 5714664), (124, 5392062), (156, 4285998), (186, 3594708), (216, 3095443), (234, 2857332), (248, 2696031), (279, 2396472), (312, 2142999), (351, 1904888), (372, 1797354), (403, 1659096), (468, 1428666), (558, 1198236), (702, 952444), (744, 898677), (806, 829548), (837, 798824), (936, 714333), (1116, 599118), (1209, 553032), (1404, 476222), (1612, 414774), (1674, 399412), (2232, 299559), (2418, 276516), (2808, 238111), (3224, 207387), (3348, 199706), (3627, 184344), (4836, 138258), (6696, 99853), (7254, 92172), (7681, 87048), (9672, 69129), (10881, 61448), (14508, 46086), (15362, 43524), (21762, 30724), (23043, 29016)]