72911280

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23369}}^1$

素因数の和:23398

約数の個数: 80

約数和(自身を含む): 243421920

約数和(自身を除く): 170510640

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 65, 78, 80, 104, 120, 130, 156, 195, 208, 240, 260, 312, 390, 520, 624, 780, 1040, 1560, 3120, 23369, 46738, 70107, 93476, 116845, 140214, 186952, 233690, 280428, 303797, 350535, 373904, 467380, 560856, 607594, 701070, 911391, 934760, 1121712, 1215188, 1402140, 1518985, 1822782, 1869520, 2430376, 2804280, 3037970, 3645564, 4556955, 4860752, 5608560, 6075940, 7291128, 9113910, 12151880, 14582256, 18227820, 24303760, 36455640, 72911280]

約数ペア:

[(1, 72911280), (2, 36455640), (3, 24303760), (4, 18227820), (5, 14582256), (6, 12151880), (8, 9113910), (10, 7291128), (12, 6075940), (13, 5608560), (15, 4860752), (16, 4556955), (20, 3645564), (24, 3037970), (26, 2804280), (30, 2430376), (39, 1869520), (40, 1822782), (48, 1518985), (52, 1402140), (60, 1215188), (65, 1121712), (78, 934760), (80, 911391), (104, 701070), (120, 607594), (130, 560856), (156, 467380), (195, 373904), (208, 350535), (240, 303797), (260, 280428), (312, 233690), (390, 186952), (520, 140214), (624, 116845), (780, 93476), (1040, 70107), (1560, 46738), (3120, 23369)]