72147780

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{157}}^1$

素因数の和:235

約数の個数: 192

約数和(自身を含む): 242081280

約数和(自身を除く): 169933500

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 27, 30, 36, 37, 45, 46, 54, 60, 69, 74, 90, 92, 108, 111, 115, 135, 138, 148, 157, 180, 185, 207, 222, 230, 270, 276, 314, 333, 345, 370, 414, 444, 460, 471, 540, 555, 621, 628, 666, 690, 740, 785, 828, 851, 942, 999, 1035, 1110, 1242, 1332, 1380, 1413, 1570, 1665, 1702, 1884, 1998, 2070, 2220, 2355, 2484, 2553, 2826, 3105, 3140, 3330, 3404, 3611, 3996, 4140, 4239, 4255, 4710, 4995, 5106, 5652, 5809, 6210, 6660, 7065, 7222, 7659, 8478, 8510, 9420, 9990, 10212, 10833, 11618, 12420, 12765, 14130, 14444, 15318, 16956, 17020, 17427, 18055, 19980, 21195, 21666, 22977, 23236, 25530, 28260, 29045, 30636, 32499, 34854, 36110, 38295, 42390, 43332, 45954, 51060, 52281, 54165, 58090, 64998, 69708, 72220, 76590, 84780, 87135, 91908, 97497, 104562, 108330, 114885, 116180, 129996, 133607, 153180, 156843, 162495, 174270, 194994, 209124, 216660, 229770, 261405, 267214, 313686, 324990, 348540, 389988, 400821, 459540, 487485, 522810, 534428, 627372, 649980, 668035, 784215, 801642, 974970, 1045620, 1202463, 1336070, 1568430, 1603284, 1949940, 2004105, 2404926, 2672140, 3136860, 3607389, 4008210, 4809852, 6012315, 7214778, 8016420, 12024630, 14429556, 18036945, 24049260, 36073890, 72147780]

約数ペア:

[(1, 72147780), (2, 36073890), (3, 24049260), (4, 18036945), (5, 14429556), (6, 12024630), (9, 8016420), (10, 7214778), (12, 6012315), (15, 4809852), (18, 4008210), (20, 3607389), (23, 3136860), (27, 2672140), (30, 2404926), (36, 2004105), (37, 1949940), (45, 1603284), (46, 1568430), (54, 1336070), (60, 1202463), (69, 1045620), (74, 974970), (90, 801642), (92, 784215), (108, 668035), (111, 649980), (115, 627372), (135, 534428), (138, 522810), (148, 487485), (157, 459540), (180, 400821), (185, 389988), (207, 348540), (222, 324990), (230, 313686), (270, 267214), (276, 261405), (314, 229770), (333, 216660), (345, 209124), (370, 194994), (414, 174270), (444, 162495), (460, 156843), (471, 153180), (540, 133607), (555, 129996), (621, 116180), (628, 114885), (666, 108330), (690, 104562), (740, 97497), (785, 91908), (828, 87135), (851, 84780), (942, 76590), (999, 72220), (1035, 69708), (1110, 64998), (1242, 58090), (1332, 54165), (1380, 52281), (1413, 51060), (1570, 45954), (1665, 43332), (1702, 42390), (1884, 38295), (1998, 36110), (2070, 34854), (2220, 32499), (2355, 30636), (2484, 29045), (2553, 28260), (2826, 25530), (3105, 23236), (3140, 22977), (3330, 21666), (3404, 21195), (3611, 19980), (3996, 18055), (4140, 17427), (4239, 17020), (4255, 16956), (4710, 15318), (4995, 14444), (5106, 14130), (5652, 12765), (5809, 12420), (6210, 11618), (6660, 10833), (7065, 10212), (7222, 9990), (7659, 9420), (8478, 8510)]