1815404220

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{17359}}^1$

素因数の和:17464

約数の個数: 144

約数和(自身を含む): 6369592320

約数和(自身を除く): 4554188100

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 83, 84, 90, 105, 126, 140, 166, 180, 210, 249, 252, 315, 332, 415, 420, 498, 581, 630, 747, 830, 996, 1162, 1245, 1260, 1494, 1660, 1743, 2324, 2490, 2905, 2988, 3486, 3735, 4980, 5229, 5810, 6972, 7470, 8715, 10458, 11620, 14940, 17359, 17430, 20916, 26145, 34718, 34860, 52077, 52290, 69436, 86795, 104154, 104580, 121513, 156231, 173590, 208308, 243026, 260385, 312462, 347180, 364539, 486052, 520770, 607565, 624924, 729078, 781155, 1041540, 1093617, 1215130, 1440797, 1458156, 1562310, 1822695, 2187234, 2430260, 2881594, 3124620, 3645390, 4322391, 4374468, 5468085, 5763188, 7203985, 7290780, 8644782, 10085579, 10936170, 12967173, 14407970, 17289564, 20171158, 21611955, 21872340, 25934346, 28815940, 30256737, 40342316, 43223910, 50427895, 51868692, 60513474, 64835865, 86447820, 90770211, 100855790, 121026948, 129671730, 151283685, 181540422, 201711580, 259343460, 302567370, 363080844, 453851055, 605134740, 907702110, 1815404220]

約数ペア:

[(1, 1815404220), (2, 907702110), (3, 605134740), (4, 453851055), (5, 363080844), (6, 302567370), (7, 259343460), (9, 201711580), (10, 181540422), (12, 151283685), (14, 129671730), (15, 121026948), (18, 100855790), (20, 90770211), (21, 86447820), (28, 64835865), (30, 60513474), (35, 51868692), (36, 50427895), (42, 43223910), (45, 40342316), (60, 30256737), (63, 28815940), (70, 25934346), (83, 21872340), (84, 21611955), (90, 20171158), (105, 17289564), (126, 14407970), (140, 12967173), (166, 10936170), (180, 10085579), (210, 8644782), (249, 7290780), (252, 7203985), (315, 5763188), (332, 5468085), (415, 4374468), (420, 4322391), (498, 3645390), (581, 3124620), (630, 2881594), (747, 2430260), (830, 2187234), (996, 1822695), (1162, 1562310), (1245, 1458156), (1260, 1440797), (1494, 1215130), (1660, 1093617), (1743, 1041540), (2324, 781155), (2490, 729078), (2905, 624924), (2988, 607565), (3486, 520770), (3735, 486052), (4980, 364539), (5229, 347180), (5810, 312462), (6972, 260385), (7470, 243026), (8715, 208308), (10458, 173590), (11620, 156231), (14940, 121513), (17359, 104580), (17430, 104154), (20916, 86795), (26145, 69436), (34718, 52290), (34860, 52077)]