18362720

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{157}}^1$

素因数の和:232

約数の個数: 96

約数和(自身を含む): 47301408

約数和(自身を除く): 28938688

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 43, 68, 80, 85, 86, 136, 157, 160, 170, 172, 215, 272, 314, 340, 344, 430, 544, 628, 680, 688, 731, 785, 860, 1256, 1360, 1376, 1462, 1570, 1720, 2512, 2669, 2720, 2924, 3140, 3440, 3655, 5024, 5338, 5848, 6280, 6751, 6880, 7310, 10676, 11696, 12560, 13345, 13502, 14620, 21352, 23392, 25120, 26690, 27004, 29240, 33755, 42704, 53380, 54008, 58480, 67510, 85408, 106760, 108016, 114767, 116960, 135020, 213520, 216032, 229534, 270040, 427040, 459068, 540080, 573835, 918136, 1080160, 1147670, 1836272, 2295340, 3672544, 4590680, 9181360, 18362720]

約数ペア:

[(1, 18362720), (2, 9181360), (4, 4590680), (5, 3672544), (8, 2295340), (10, 1836272), (16, 1147670), (17, 1080160), (20, 918136), (32, 573835), (34, 540080), (40, 459068), (43, 427040), (68, 270040), (80, 229534), (85, 216032), (86, 213520), (136, 135020), (157, 116960), (160, 114767), (170, 108016), (172, 106760), (215, 85408), (272, 67510), (314, 58480), (340, 54008), (344, 53380), (430, 42704), (544, 33755), (628, 29240), (680, 27004), (688, 26690), (731, 25120), (785, 23392), (860, 21352), (1256, 14620), (1360, 13502), (1376, 13345), (1462, 12560), (1570, 11696), (1720, 10676), (2512, 7310), (2669, 6880), (2720, 6751), (2924, 6280), (3140, 5848), (3440, 5338), (3655, 5024)]