15883780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{137}}^1$

素因数の和:205

約数の個数: 96

約数和(自身を含む): 40061952

約数和(自身を除く): 24178172

約数列:

[1, 2, 4, 5, 10, 11, 17, 20, 22, 31, 34, 44, 55, 62, 68, 85, 110, 124, 137, 155, 170, 187, 220, 274, 310, 340, 341, 374, 527, 548, 620, 682, 685, 748, 935, 1054, 1364, 1370, 1507, 1705, 1870, 2108, 2329, 2635, 2740, 3014, 3410, 3740, 4247, 4658, 5270, 5797, 6028, 6820, 7535, 8494, 9316, 10540, 11594, 11645, 15070, 16988, 21235, 23188, 23290, 25619, 28985, 30140, 42470, 46580, 46717, 51238, 57970, 72199, 84940, 93434, 102476, 115940, 128095, 144398, 186868, 233585, 256190, 288796, 360995, 467170, 512380, 721990, 794189, 934340, 1443980, 1588378, 3176756, 3970945, 7941890, 15883780]

約数ペア:

[(1, 15883780), (2, 7941890), (4, 3970945), (5, 3176756), (10, 1588378), (11, 1443980), (17, 934340), (20, 794189), (22, 721990), (31, 512380), (34, 467170), (44, 360995), (55, 288796), (62, 256190), (68, 233585), (85, 186868), (110, 144398), (124, 128095), (137, 115940), (155, 102476), (170, 93434), (187, 84940), (220, 72199), (274, 57970), (310, 51238), (340, 46717), (341, 46580), (374, 42470), (527, 30140), (548, 28985), (620, 25619), (682, 23290), (685, 23188), (748, 21235), (935, 16988), (1054, 15070), (1364, 11645), (1370, 11594), (1507, 10540), (1705, 9316), (1870, 8494), (2108, 7535), (2329, 6820), (2635, 6028), (2740, 5797), (3014, 5270), (3410, 4658), (3740, 4247)]