73902920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{257}}^1$

素因数の和:367

約数の個数: 128

約数和(自身を含む): 208051200

約数和(自身を除く): 134148280

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 79, 91, 104, 130, 140, 158, 182, 257, 260, 280, 316, 364, 395, 455, 514, 520, 553, 632, 728, 790, 910, 1027, 1028, 1106, 1285, 1580, 1799, 1820, 2054, 2056, 2212, 2570, 2765, 3160, 3341, 3598, 3640, 4108, 4424, 5135, 5140, 5530, 6682, 7189, 7196, 8216, 8995, 10270, 10280, 11060, 13364, 14378, 14392, 16705, 17990, 20303, 20540, 22120, 23387, 26728, 28756, 33410, 35945, 35980, 40606, 41080, 46774, 57512, 66820, 71890, 71960, 81212, 93548, 101515, 116935, 133640, 142121, 143780, 162424, 187096, 203030, 233870, 263939, 284242, 287560, 406060, 467740, 527878, 568484, 710605, 812120, 935480, 1055756, 1136968, 1319695, 1421210, 1847573, 2111512, 2639390, 2842420, 3695146, 5278780, 5684840, 7390292, 9237865, 10557560, 14780584, 18475730, 36951460, 73902920]

約数ペア:

[(1, 73902920), (2, 36951460), (4, 18475730), (5, 14780584), (7, 10557560), (8, 9237865), (10, 7390292), (13, 5684840), (14, 5278780), (20, 3695146), (26, 2842420), (28, 2639390), (35, 2111512), (40, 1847573), (52, 1421210), (56, 1319695), (65, 1136968), (70, 1055756), (79, 935480), (91, 812120), (104, 710605), (130, 568484), (140, 527878), (158, 467740), (182, 406060), (257, 287560), (260, 284242), (280, 263939), (316, 233870), (364, 203030), (395, 187096), (455, 162424), (514, 143780), (520, 142121), (553, 133640), (632, 116935), (728, 101515), (790, 93548), (910, 81212), (1027, 71960), (1028, 71890), (1106, 66820), (1285, 57512), (1580, 46774), (1799, 41080), (1820, 40606), (2054, 35980), (2056, 35945), (2212, 33410), (2570, 28756), (2765, 26728), (3160, 23387), (3341, 22120), (3598, 20540), (3640, 20303), (4108, 17990), (4424, 16705), (5135, 14392), (5140, 14378), (5530, 13364), (6682, 11060), (7189, 10280), (7196, 10270), (8216, 8995)]