15678891280

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{255523}}^1$

素因数の和:255608

約数の個数: 80

約数和(自身を含む): 39923069760

約数和(自身を除く): 24244178480

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 59, 65, 80, 104, 118, 130, 208, 236, 260, 295, 472, 520, 590, 767, 944, 1040, 1180, 1534, 2360, 3068, 3835, 4720, 6136, 7670, 12272, 15340, 30680, 61360, 255523, 511046, 1022092, 1277615, 2044184, 2555230, 3321799, 4088368, 5110460, 6643598, 10220920, 13287196, 15075857, 16608995, 20441840, 26574392, 30151714, 33217990, 53148784, 60303428, 66435980, 75379285, 120606856, 132871960, 150758570, 195986141, 241213712, 265743920, 301517140, 391972282, 603034280, 783944564, 979930705, 1206068560, 1567889128, 1959861410, 3135778256, 3919722820, 7839445640, 15678891280]

約数ペア:

[(1, 15678891280), (2, 7839445640), (4, 3919722820), (5, 3135778256), (8, 1959861410), (10, 1567889128), (13, 1206068560), (16, 979930705), (20, 783944564), (26, 603034280), (40, 391972282), (52, 301517140), (59, 265743920), (65, 241213712), (80, 195986141), (104, 150758570), (118, 132871960), (130, 120606856), (208, 75379285), (236, 66435980), (260, 60303428), (295, 53148784), (472, 33217990), (520, 30151714), (590, 26574392), (767, 20441840), (944, 16608995), (1040, 15075857), (1180, 13287196), (1534, 10220920), (2360, 6643598), (3068, 5110460), (3835, 4088368), (4720, 3321799), (6136, 2555230), (7670, 2044184), (12272, 1277615), (15340, 1022092), (30680, 511046), (61360, 255523)]