156938240

素因数分解:

$2^{12}\times 5^1\times {\mathrm{79}}^1\times {\mathrm{97}}^1$

素因数の和:205

約数の個数: 104

約数和(自身を含む): 385304640

約数和(自身を除く): 228366400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 79, 80, 97, 128, 158, 160, 194, 256, 316, 320, 388, 395, 485, 512, 632, 640, 776, 790, 970, 1024, 1264, 1280, 1552, 1580, 1940, 2048, 2528, 2560, 3104, 3160, 3880, 4096, 5056, 5120, 6208, 6320, 7663, 7760, 10112, 10240, 12416, 12640, 15326, 15520, 20224, 20480, 24832, 25280, 30652, 31040, 38315, 40448, 49664, 50560, 61304, 62080, 76630, 80896, 99328, 101120, 122608, 124160, 153260, 161792, 198656, 202240, 245216, 248320, 306520, 323584, 397312, 404480, 490432, 496640, 613040, 808960, 980864, 993280, 1226080, 1617920, 1961728, 1986560, 2452160, 3923456, 4904320, 7846912, 9808640, 15693824, 19617280, 31387648, 39234560, 78469120, 156938240]

約数ペア:

[(1, 156938240), (2, 78469120), (4, 39234560), (5, 31387648), (8, 19617280), (10, 15693824), (16, 9808640), (20, 7846912), (32, 4904320), (40, 3923456), (64, 2452160), (79, 1986560), (80, 1961728), (97, 1617920), (128, 1226080), (158, 993280), (160, 980864), (194, 808960), (256, 613040), (316, 496640), (320, 490432), (388, 404480), (395, 397312), (485, 323584), (512, 306520), (632, 248320), (640, 245216), (776, 202240), (790, 198656), (970, 161792), (1024, 153260), (1264, 124160), (1280, 122608), (1552, 101120), (1580, 99328), (1940, 80896), (2048, 76630), (2528, 62080), (2560, 61304), (3104, 50560), (3160, 49664), (3880, 40448), (4096, 38315), (5056, 31040), (5120, 30652), (6208, 25280), (6320, 24832), (7663, 20480), (7760, 20224), (10112, 15520), (10240, 15326), (12416, 12640)]