15338240

素因数分解:

$2^8\times 5^1\times {\mathrm{23}}^1\times {\mathrm{521}}^1$

素因数の和:565

約数の個数: 72

約数和(自身を含む): 38410848

約数和(自身を除く): 23072608

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 64, 80, 92, 115, 128, 160, 184, 230, 256, 320, 368, 460, 521, 640, 736, 920, 1042, 1280, 1472, 1840, 2084, 2605, 2944, 3680, 4168, 5210, 5888, 7360, 8336, 10420, 11983, 14720, 16672, 20840, 23966, 29440, 33344, 41680, 47932, 59915, 66688, 83360, 95864, 119830, 133376, 166720, 191728, 239660, 333440, 383456, 479320, 666880, 766912, 958640, 1533824, 1917280, 3067648, 3834560, 7669120, 15338240]

約数ペア:

[(1, 15338240), (2, 7669120), (4, 3834560), (5, 3067648), (8, 1917280), (10, 1533824), (16, 958640), (20, 766912), (23, 666880), (32, 479320), (40, 383456), (46, 333440), (64, 239660), (80, 191728), (92, 166720), (115, 133376), (128, 119830), (160, 95864), (184, 83360), (230, 66688), (256, 59915), (320, 47932), (368, 41680), (460, 33344), (521, 29440), (640, 23966), (736, 20840), (920, 16672), (1042, 14720), (1280, 11983), (1472, 10420), (1840, 8336), (2084, 7360), (2605, 5888), (2944, 5210), (3680, 4168)]