1639931760

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{61559}}^1$

素因数の和:61615

約数の個数: 120

約数和(自身を含む): 5656379040

約数和(自身を除く): 4016447280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 37, 40, 45, 48, 60, 72, 74, 80, 90, 111, 120, 144, 148, 180, 185, 222, 240, 296, 333, 360, 370, 444, 555, 592, 666, 720, 740, 888, 1110, 1332, 1480, 1665, 1776, 2220, 2664, 2960, 3330, 4440, 5328, 6660, 8880, 13320, 26640, 61559, 123118, 184677, 246236, 307795, 369354, 492472, 554031, 615590, 738708, 923385, 984944, 1108062, 1231180, 1477416, 1846770, 2216124, 2277683, 2462360, 2770155, 2954832, 3693540, 4432248, 4555366, 4924720, 5540310, 6833049, 7387080, 8864496, 9110732, 11080620, 11388415, 13666098, 14774160, 18221464, 20499147, 22161240, 22776830, 27332196, 34165245, 36442928, 40998294, 44322480, 45553660, 54664392, 68330490, 81996588, 91107320, 102495735, 109328784, 136660980, 163993176, 182214640, 204991470, 273321960, 327986352, 409982940, 546643920, 819965880, 1639931760]

約数ペア:

[(1, 1639931760), (2, 819965880), (3, 546643920), (4, 409982940), (5, 327986352), (6, 273321960), (8, 204991470), (9, 182214640), (10, 163993176), (12, 136660980), (15, 109328784), (16, 102495735), (18, 91107320), (20, 81996588), (24, 68330490), (30, 54664392), (36, 45553660), (37, 44322480), (40, 40998294), (45, 36442928), (48, 34165245), (60, 27332196), (72, 22776830), (74, 22161240), (80, 20499147), (90, 18221464), (111, 14774160), (120, 13666098), (144, 11388415), (148, 11080620), (180, 9110732), (185, 8864496), (222, 7387080), (240, 6833049), (296, 5540310), (333, 4924720), (360, 4555366), (370, 4432248), (444, 3693540), (555, 2954832), (592, 2770155), (666, 2462360), (720, 2277683), (740, 2216124), (888, 1846770), (1110, 1477416), (1332, 1231180), (1480, 1108062), (1665, 984944), (1776, 923385), (2220, 738708), (2664, 615590), (2960, 554031), (3330, 492472), (4440, 369354), (5328, 307795), (6660, 246236), (8880, 184677), (13320, 123118), (26640, 61559)]