139704640

素因数分解:

$2^6\times 5^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{421}}^1$

素因数の和:516

約数の個数: 112

約数和(自身を含む): 358865424

約数和(自身を除く): 219160784

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 61, 64, 68, 80, 85, 122, 136, 160, 170, 244, 272, 305, 320, 340, 421, 488, 544, 610, 680, 842, 976, 1037, 1088, 1220, 1360, 1684, 1952, 2074, 2105, 2440, 2720, 3368, 3904, 4148, 4210, 4880, 5185, 5440, 6736, 7157, 8296, 8420, 9760, 10370, 13472, 14314, 16592, 16840, 19520, 20740, 25681, 26944, 28628, 33184, 33680, 35785, 41480, 51362, 57256, 66368, 67360, 71570, 82960, 102724, 114512, 128405, 134720, 143140, 165920, 205448, 229024, 256810, 286280, 331840, 410896, 436577, 458048, 513620, 572560, 821792, 873154, 1027240, 1145120, 1643584, 1746308, 2054480, 2182885, 2290240, 3492616, 4108960, 4365770, 6985232, 8217920, 8731540, 13970464, 17463080, 27940928, 34926160, 69852320, 139704640]

約数ペア:

[(1, 139704640), (2, 69852320), (4, 34926160), (5, 27940928), (8, 17463080), (10, 13970464), (16, 8731540), (17, 8217920), (20, 6985232), (32, 4365770), (34, 4108960), (40, 3492616), (61, 2290240), (64, 2182885), (68, 2054480), (80, 1746308), (85, 1643584), (122, 1145120), (136, 1027240), (160, 873154), (170, 821792), (244, 572560), (272, 513620), (305, 458048), (320, 436577), (340, 410896), (421, 331840), (488, 286280), (544, 256810), (610, 229024), (680, 205448), (842, 165920), (976, 143140), (1037, 134720), (1088, 128405), (1220, 114512), (1360, 102724), (1684, 82960), (1952, 71570), (2074, 67360), (2105, 66368), (2440, 57256), (2720, 51362), (3368, 41480), (3904, 35785), (4148, 33680), (4210, 33184), (4880, 28628), (5185, 26944), (5440, 25681), (6736, 20740), (7157, 19520), (8296, 16840), (8420, 16592), (9760, 14314), (10370, 13472)]