172309760

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{19231}}^1$

素因数の和:19259

約数の個数: 72

約数和(自身を含む): 471722496

約数和(自身を除く): 299412736

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 256, 280, 320, 448, 560, 640, 896, 1120, 1280, 1792, 2240, 4480, 8960, 19231, 38462, 76924, 96155, 134617, 153848, 192310, 269234, 307696, 384620, 538468, 615392, 673085, 769240, 1076936, 1230784, 1346170, 1538480, 2153872, 2461568, 2692340, 3076960, 4307744, 4923136, 5384680, 6153920, 8615488, 10769360, 12307840, 17230976, 21538720, 24615680, 34461952, 43077440, 86154880, 172309760]

約数ペア:

[(1, 172309760), (2, 86154880), (4, 43077440), (5, 34461952), (7, 24615680), (8, 21538720), (10, 17230976), (14, 12307840), (16, 10769360), (20, 8615488), (28, 6153920), (32, 5384680), (35, 4923136), (40, 4307744), (56, 3076960), (64, 2692340), (70, 2461568), (80, 2153872), (112, 1538480), (128, 1346170), (140, 1230784), (160, 1076936), (224, 769240), (256, 673085), (280, 615392), (320, 538468), (448, 384620), (560, 307696), (640, 269234), (896, 192310), (1120, 153848), (1280, 134617), (1792, 96155), (2240, 76924), (4480, 38462), (8960, 19231)]