18642880

素因数分解:

$2^6\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{149}}^1$

素因数の和:206

約数の個数: 112

約数和(自身を含む): 49377600

約数和(自身を除く): 30734720

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 23, 32, 34, 40, 46, 64, 68, 80, 85, 92, 115, 136, 149, 160, 170, 184, 230, 272, 298, 320, 340, 368, 391, 460, 544, 596, 680, 736, 745, 782, 920, 1088, 1192, 1360, 1472, 1490, 1564, 1840, 1955, 2384, 2533, 2720, 2980, 3128, 3427, 3680, 3910, 4768, 5066, 5440, 5960, 6256, 6854, 7360, 7820, 9536, 10132, 11920, 12512, 12665, 13708, 15640, 17135, 20264, 23840, 25024, 25330, 27416, 31280, 34270, 40528, 47680, 50660, 54832, 58259, 62560, 68540, 81056, 101320, 109664, 116518, 125120, 137080, 162112, 202640, 219328, 233036, 274160, 291295, 405280, 466072, 548320, 582590, 810560, 932144, 1096640, 1165180, 1864288, 2330360, 3728576, 4660720, 9321440, 18642880]

約数ペア:

[(1, 18642880), (2, 9321440), (4, 4660720), (5, 3728576), (8, 2330360), (10, 1864288), (16, 1165180), (17, 1096640), (20, 932144), (23, 810560), (32, 582590), (34, 548320), (40, 466072), (46, 405280), (64, 291295), (68, 274160), (80, 233036), (85, 219328), (92, 202640), (115, 162112), (136, 137080), (149, 125120), (160, 116518), (170, 109664), (184, 101320), (230, 81056), (272, 68540), (298, 62560), (320, 58259), (340, 54832), (368, 50660), (391, 47680), (460, 40528), (544, 34270), (596, 31280), (680, 27416), (736, 25330), (745, 25024), (782, 23840), (920, 20264), (1088, 17135), (1192, 15640), (1360, 13708), (1472, 12665), (1490, 12512), (1564, 11920), (1840, 10132), (1955, 9536), (2384, 7820), (2533, 7360), (2720, 6854), (2980, 6256), (3128, 5960), (3427, 5440), (3680, 5066), (3910, 4768)]