17618320

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{173}}^1$

素因数の和:272

約数の個数: 80

約数和(自身を含む): 44015040

約数和(自身を除く): 26396720

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 67, 76, 80, 95, 134, 152, 173, 190, 268, 304, 335, 346, 380, 536, 670, 692, 760, 865, 1072, 1273, 1340, 1384, 1520, 1730, 2546, 2680, 2768, 3287, 3460, 5092, 5360, 6365, 6574, 6920, 10184, 11591, 12730, 13148, 13840, 16435, 20368, 23182, 25460, 26296, 32870, 46364, 50920, 52592, 57955, 65740, 92728, 101840, 115910, 131480, 185456, 220229, 231820, 262960, 440458, 463640, 880916, 927280, 1101145, 1761832, 2202290, 3523664, 4404580, 8809160, 17618320]

約数ペア:

[(1, 17618320), (2, 8809160), (4, 4404580), (5, 3523664), (8, 2202290), (10, 1761832), (16, 1101145), (19, 927280), (20, 880916), (38, 463640), (40, 440458), (67, 262960), (76, 231820), (80, 220229), (95, 185456), (134, 131480), (152, 115910), (173, 101840), (190, 92728), (268, 65740), (304, 57955), (335, 52592), (346, 50920), (380, 46364), (536, 32870), (670, 26296), (692, 25460), (760, 23182), (865, 20368), (1072, 16435), (1273, 13840), (1340, 13148), (1384, 12730), (1520, 11591), (1730, 10184), (2546, 6920), (2680, 6574), (2768, 6365), (3287, 5360), (3460, 5092)]