878235540

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{12373}}^1$

素因数の和:12418

約数の個数: 144

約数和(自身を含む): 3043410048

約数和(自身を除く): 2165174508

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 26, 28, 30, 35, 39, 42, 52, 60, 65, 70, 78, 84, 91, 105, 130, 140, 156, 169, 182, 195, 210, 260, 273, 338, 364, 390, 420, 455, 507, 546, 676, 780, 845, 910, 1014, 1092, 1183, 1365, 1690, 1820, 2028, 2366, 2535, 2730, 3380, 3549, 4732, 5070, 5460, 5915, 7098, 10140, 11830, 12373, 14196, 17745, 23660, 24746, 35490, 37119, 49492, 61865, 70980, 74238, 86611, 123730, 148476, 160849, 173222, 185595, 247460, 259833, 321698, 346444, 371190, 433055, 482547, 519666, 643396, 742380, 804245, 866110, 965094, 1039332, 1125943, 1299165, 1608490, 1732220, 1930188, 2091037, 2251886, 2412735, 2598330, 3216980, 3377829, 4182074, 4503772, 4825470, 5196660, 5629715, 6273111, 6755658, 8364148, 9650940, 10455185, 11259430, 12546222, 13511316, 14637259, 16889145, 20910370, 22518860, 25092444, 29274518, 31365555, 33778290, 41820740, 43911777, 58549036, 62731110, 67556580, 73186295, 87823554, 125462220, 146372590, 175647108, 219558885, 292745180, 439117770, 878235540]

約数ペア:

[(1, 878235540), (2, 439117770), (3, 292745180), (4, 219558885), (5, 175647108), (6, 146372590), (7, 125462220), (10, 87823554), (12, 73186295), (13, 67556580), (14, 62731110), (15, 58549036), (20, 43911777), (21, 41820740), (26, 33778290), (28, 31365555), (30, 29274518), (35, 25092444), (39, 22518860), (42, 20910370), (52, 16889145), (60, 14637259), (65, 13511316), (70, 12546222), (78, 11259430), (84, 10455185), (91, 9650940), (105, 8364148), (130, 6755658), (140, 6273111), (156, 5629715), (169, 5196660), (182, 4825470), (195, 4503772), (210, 4182074), (260, 3377829), (273, 3216980), (338, 2598330), (364, 2412735), (390, 2251886), (420, 2091037), (455, 1930188), (507, 1732220), (546, 1608490), (676, 1299165), (780, 1125943), (845, 1039332), (910, 965094), (1014, 866110), (1092, 804245), (1183, 742380), (1365, 643396), (1690, 519666), (1820, 482547), (2028, 433055), (2366, 371190), (2535, 346444), (2730, 321698), (3380, 259833), (3549, 247460), (4732, 185595), (5070, 173222), (5460, 160849), (5915, 148476), (7098, 123730), (10140, 86611), (11830, 74238), (12373, 70980), (14196, 61865), (17745, 49492), (23660, 37119), (24746, 35490)]