254381880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{6563}}^1$

素因数の和:6613

約数の個数: 128

約数和(自身を含む): 850694400

約数和(自身を除く): 596312520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 19, 20, 24, 30, 34, 38, 40, 51, 57, 60, 68, 76, 85, 95, 102, 114, 120, 136, 152, 170, 190, 204, 228, 255, 285, 323, 340, 380, 408, 456, 510, 570, 646, 680, 760, 969, 1020, 1140, 1292, 1615, 1938, 2040, 2280, 2584, 3230, 3876, 4845, 6460, 6563, 7752, 9690, 12920, 13126, 19380, 19689, 26252, 32815, 38760, 39378, 52504, 65630, 78756, 98445, 111571, 124697, 131260, 157512, 196890, 223142, 249394, 262520, 334713, 374091, 393780, 446284, 498788, 557855, 623485, 669426, 748182, 787560, 892568, 997576, 1115710, 1246970, 1338852, 1496364, 1673565, 1870455, 2119849, 2231420, 2493940, 2677704, 2992728, 3347130, 3740910, 4239698, 4462840, 4987880, 6359547, 6694260, 7481820, 8479396, 10599245, 12719094, 13388520, 14963640, 16958792, 21198490, 25438188, 31797735, 42396980, 50876376, 63595470, 84793960, 127190940, 254381880]

約数ペア:

[(1, 254381880), (2, 127190940), (3, 84793960), (4, 63595470), (5, 50876376), (6, 42396980), (8, 31797735), (10, 25438188), (12, 21198490), (15, 16958792), (17, 14963640), (19, 13388520), (20, 12719094), (24, 10599245), (30, 8479396), (34, 7481820), (38, 6694260), (40, 6359547), (51, 4987880), (57, 4462840), (60, 4239698), (68, 3740910), (76, 3347130), (85, 2992728), (95, 2677704), (102, 2493940), (114, 2231420), (120, 2119849), (136, 1870455), (152, 1673565), (170, 1496364), (190, 1338852), (204, 1246970), (228, 1115710), (255, 997576), (285, 892568), (323, 787560), (340, 748182), (380, 669426), (408, 623485), (456, 557855), (510, 498788), (570, 446284), (646, 393780), (680, 374091), (760, 334713), (969, 262520), (1020, 249394), (1140, 223142), (1292, 196890), (1615, 157512), (1938, 131260), (2040, 124697), (2280, 111571), (2584, 98445), (3230, 78756), (3876, 65630), (4845, 52504), (6460, 39378), (6563, 38760), (7752, 32815), (9690, 26252), (12920, 19689), (13126, 19380)]