381323880

素因数分解:

$2^3\times 3^2\times 5^1\times 7^2\times {\mathrm{21617}}^1$

素因数の和:21648

約数の個数: 144

約数和(自身を含む): 1441704420

約数和(自身を除く): 1060380540

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 49, 56, 60, 63, 70, 72, 84, 90, 98, 105, 120, 126, 140, 147, 168, 180, 196, 210, 245, 252, 280, 294, 315, 360, 392, 420, 441, 490, 504, 588, 630, 735, 840, 882, 980, 1176, 1260, 1470, 1764, 1960, 2205, 2520, 2940, 3528, 4410, 5880, 8820, 17640, 21617, 43234, 64851, 86468, 108085, 129702, 151319, 172936, 194553, 216170, 259404, 302638, 324255, 389106, 432340, 453957, 518808, 605276, 648510, 756595, 778212, 864680, 907914, 972765, 1059233, 1210552, 1297020, 1361871, 1513190, 1556424, 1815828, 1945530, 2118466, 2269785, 2594040, 2723742, 3026380, 3177699, 3631656, 3891060, 4236932, 4539570, 5296165, 5447484, 6052760, 6355398, 6809355, 7782120, 8473864, 9079140, 9533097, 10592330, 10894968, 12710796, 13618710, 15888495, 18158280, 19066194, 21184660, 25421592, 27237420, 31776990, 38132388, 42369320, 47665485, 54474840, 63553980, 76264776, 95330970, 127107960, 190661940, 381323880]

約数ペア:

[(1, 381323880), (2, 190661940), (3, 127107960), (4, 95330970), (5, 76264776), (6, 63553980), (7, 54474840), (8, 47665485), (9, 42369320), (10, 38132388), (12, 31776990), (14, 27237420), (15, 25421592), (18, 21184660), (20, 19066194), (21, 18158280), (24, 15888495), (28, 13618710), (30, 12710796), (35, 10894968), (36, 10592330), (40, 9533097), (42, 9079140), (45, 8473864), (49, 7782120), (56, 6809355), (60, 6355398), (63, 6052760), (70, 5447484), (72, 5296165), (84, 4539570), (90, 4236932), (98, 3891060), (105, 3631656), (120, 3177699), (126, 3026380), (140, 2723742), (147, 2594040), (168, 2269785), (180, 2118466), (196, 1945530), (210, 1815828), (245, 1556424), (252, 1513190), (280, 1361871), (294, 1297020), (315, 1210552), (360, 1059233), (392, 972765), (420, 907914), (441, 864680), (490, 778212), (504, 756595), (588, 648510), (630, 605276), (735, 518808), (840, 453957), (882, 432340), (980, 389106), (1176, 324255), (1260, 302638), (1470, 259404), (1764, 216170), (1960, 194553), (2205, 172936), (2520, 151319), (2940, 129702), (3528, 108085), (4410, 86468), (5880, 64851), (8820, 43234), (17640, 21617)]