311823180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{181}}^1\times {\mathrm{563}}^1$

素因数の和:776

約数の個数: 144

約数和(自身を含む): 1008824544

約数和(自身を除く): 697001364

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 30, 34, 36, 45, 51, 60, 68, 85, 90, 102, 153, 170, 180, 181, 204, 255, 306, 340, 362, 510, 543, 563, 612, 724, 765, 905, 1020, 1086, 1126, 1530, 1629, 1689, 1810, 2172, 2252, 2715, 2815, 3060, 3077, 3258, 3378, 3620, 5067, 5430, 5630, 6154, 6516, 6756, 8145, 8445, 9231, 9571, 10134, 10860, 11260, 12308, 15385, 16290, 16890, 18462, 19142, 20268, 25335, 27693, 28713, 30770, 32580, 33780, 36924, 38284, 46155, 47855, 50670, 55386, 57426, 61540, 86139, 92310, 95710, 101340, 101903, 110772, 114852, 138465, 143565, 172278, 184620, 191420, 203806, 276930, 287130, 305709, 344556, 407612, 430695, 509515, 553860, 574260, 611418, 861390, 917127, 1019030, 1222836, 1528545, 1722780, 1732351, 1834254, 2038060, 3057090, 3464702, 3668508, 4585635, 5197053, 6114180, 6929404, 8661755, 9171270, 10394106, 15591159, 17323510, 18342540, 20788212, 25985265, 31182318, 34647020, 51970530, 62364636, 77955795, 103941060, 155911590, 311823180]

約数ペア:

[(1, 311823180), (2, 155911590), (3, 103941060), (4, 77955795), (5, 62364636), (6, 51970530), (9, 34647020), (10, 31182318), (12, 25985265), (15, 20788212), (17, 18342540), (18, 17323510), (20, 15591159), (30, 10394106), (34, 9171270), (36, 8661755), (45, 6929404), (51, 6114180), (60, 5197053), (68, 4585635), (85, 3668508), (90, 3464702), (102, 3057090), (153, 2038060), (170, 1834254), (180, 1732351), (181, 1722780), (204, 1528545), (255, 1222836), (306, 1019030), (340, 917127), (362, 861390), (510, 611418), (543, 574260), (563, 553860), (612, 509515), (724, 430695), (765, 407612), (905, 344556), (1020, 305709), (1086, 287130), (1126, 276930), (1530, 203806), (1629, 191420), (1689, 184620), (1810, 172278), (2172, 143565), (2252, 138465), (2715, 114852), (2815, 110772), (3060, 101903), (3077, 101340), (3258, 95710), (3378, 92310), (3620, 86139), (5067, 61540), (5430, 57426), (5630, 55386), (6154, 50670), (6516, 47855), (6756, 46155), (8145, 38284), (8445, 36924), (9231, 33780), (9571, 32580), (10134, 30770), (10860, 28713), (11260, 27693), (12308, 25335), (15385, 20268), (16290, 19142), (16890, 18462)]