163778940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{69991}}^1$

素因数の和:70019

約数の個数: 72

約数和(自身を含む): 535018848

約数和(自身を除く): 371239908

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 180, 195, 234, 260, 390, 468, 585, 780, 1170, 2340, 69991, 139982, 209973, 279964, 349955, 419946, 629919, 699910, 839892, 909883, 1049865, 1259838, 1399820, 1819766, 2099730, 2519676, 2729649, 3149595, 3639532, 4199460, 4549415, 5459298, 6299190, 8188947, 9098830, 10918596, 12598380, 13648245, 16377894, 18197660, 27296490, 32755788, 40944735, 54592980, 81889470, 163778940]

約数ペア:

[(1, 163778940), (2, 81889470), (3, 54592980), (4, 40944735), (5, 32755788), (6, 27296490), (9, 18197660), (10, 16377894), (12, 13648245), (13, 12598380), (15, 10918596), (18, 9098830), (20, 8188947), (26, 6299190), (30, 5459298), (36, 4549415), (39, 4199460), (45, 3639532), (52, 3149595), (60, 2729649), (65, 2519676), (78, 2099730), (90, 1819766), (117, 1399820), (130, 1259838), (156, 1049865), (180, 909883), (195, 839892), (234, 699910), (260, 629919), (390, 419946), (468, 349955), (585, 279964), (780, 209973), (1170, 139982), (2340, 69991)]