18250920

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{131}}^1$

素因数の和:197

約数の個数: 160

約数和(自身を含む): 63249120

約数和(自身を除く): 44998200

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 43, 45, 54, 60, 72, 81, 86, 90, 108, 120, 129, 131, 135, 162, 172, 180, 215, 216, 258, 262, 270, 324, 344, 360, 387, 393, 405, 430, 516, 524, 540, 645, 648, 655, 774, 786, 810, 860, 1032, 1048, 1080, 1161, 1179, 1290, 1310, 1548, 1572, 1620, 1720, 1935, 1965, 2322, 2358, 2580, 2620, 3096, 3144, 3240, 3483, 3537, 3870, 3930, 4644, 4716, 5160, 5240, 5633, 5805, 5895, 6966, 7074, 7740, 7860, 9288, 9432, 10611, 11266, 11610, 11790, 13932, 14148, 15480, 15720, 16899, 17415, 17685, 21222, 22532, 23220, 23580, 27864, 28165, 28296, 33798, 34830, 35370, 42444, 45064, 46440, 47160, 50697, 53055, 56330, 67596, 69660, 70740, 84495, 84888, 101394, 106110, 112660, 135192, 139320, 141480, 152091, 168990, 202788, 212220, 225320, 253485, 304182, 337980, 405576, 424440, 456273, 506970, 608364, 675960, 760455, 912546, 1013940, 1216728, 1520910, 1825092, 2027880, 2281365, 3041820, 3650184, 4562730, 6083640, 9125460, 18250920]

約数ペア:

[(1, 18250920), (2, 9125460), (3, 6083640), (4, 4562730), (5, 3650184), (6, 3041820), (8, 2281365), (9, 2027880), (10, 1825092), (12, 1520910), (15, 1216728), (18, 1013940), (20, 912546), (24, 760455), (27, 675960), (30, 608364), (36, 506970), (40, 456273), (43, 424440), (45, 405576), (54, 337980), (60, 304182), (72, 253485), (81, 225320), (86, 212220), (90, 202788), (108, 168990), (120, 152091), (129, 141480), (131, 139320), (135, 135192), (162, 112660), (172, 106110), (180, 101394), (215, 84888), (216, 84495), (258, 70740), (262, 69660), (270, 67596), (324, 56330), (344, 53055), (360, 50697), (387, 47160), (393, 46440), (405, 45064), (430, 42444), (516, 35370), (524, 34830), (540, 33798), (645, 28296), (648, 28165), (655, 27864), (774, 23580), (786, 23220), (810, 22532), (860, 21222), (1032, 17685), (1048, 17415), (1080, 16899), (1161, 15720), (1179, 15480), (1290, 14148), (1310, 13932), (1548, 11790), (1572, 11610), (1620, 11266), (1720, 10611), (1935, 9432), (1965, 9288), (2322, 7860), (2358, 7740), (2580, 7074), (2620, 6966), (3096, 5895), (3144, 5805), (3240, 5633), (3483, 5240), (3537, 5160), (3870, 4716), (3930, 4644)]