287722890

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^2$

素因数の和:138

約数の個数: 288

約数和(自身を含む): 992234880

約数和(自身を除く): 704511990

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 13, 14, 15, 18, 19, 21, 26, 30, 35, 38, 39, 42, 43, 45, 57, 63, 65, 70, 78, 86, 90, 91, 95, 105, 114, 117, 126, 129, 130, 133, 171, 182, 190, 195, 210, 215, 234, 247, 258, 266, 273, 285, 301, 315, 342, 387, 390, 399, 430, 455, 494, 546, 559, 570, 585, 602, 630, 645, 665, 741, 774, 798, 817, 819, 855, 903, 910, 1118, 1170, 1197, 1235, 1290, 1330, 1365, 1482, 1505, 1634, 1638, 1677, 1710, 1729, 1806, 1849, 1935, 1995, 2223, 2394, 2451, 2470, 2709, 2730, 2795, 3010, 3354, 3458, 3698, 3705, 3870, 3913, 3990, 4085, 4095, 4446, 4515, 4902, 5031, 5187, 5418, 5547, 5590, 5719, 5985, 7353, 7410, 7826, 8170, 8190, 8385, 8645, 9030, 9245, 10062, 10374, 10621, 11094, 11115, 11438, 11739, 11970, 12255, 12943, 13545, 14706, 15561, 16641, 16770, 17157, 17290, 18490, 19565, 21242, 22230, 23478, 24037, 24510, 25155, 25886, 25935, 27090, 27735, 28595, 31122, 31863, 33282, 34314, 35131, 35217, 36765, 38829, 39130, 48074, 50310, 51471, 51870, 53105, 55470, 57190, 58695, 63726, 64715, 70262, 70434, 72111, 73530, 74347, 77658, 77805, 83205, 85785, 95589, 102942, 105393, 106210, 116487, 117390, 120185, 129430, 144222, 148694, 155610, 159315, 166410, 168259, 171570, 175655, 176085, 191178, 194145, 210786, 216333, 223041, 232974, 240370, 245917, 257355, 316179, 318630, 336518, 351310, 352170, 360555, 371735, 388290, 432666, 446082, 456703, 477945, 491834, 504777, 514710, 526965, 582435, 632358, 669123, 721110, 737751, 743470, 841295, 913406, 955890, 1009554, 1053930, 1081665, 1115205, 1164870, 1229585, 1338246, 1370109, 1475502, 1514331, 1580895, 1682590, 2163330, 2213253, 2230410, 2283515, 2459170, 2523885, 2740218, 3028662, 3161790, 3196921, 3345615, 3688755, 4110327, 4426506, 4567030, 5047770, 6393842, 6691230, 6850545, 7377510, 7571655, 8220654, 9590763, 11066265, 13701090, 15143310, 15984605, 19181526, 20551635, 22132530, 28772289, 31969210, 41103270, 47953815, 57544578, 95907630, 143861445, 287722890]

約数ペア:

[(1, 287722890), (2, 143861445), (3, 95907630), (5, 57544578), (6, 47953815), (7, 41103270), (9, 31969210), (10, 28772289), (13, 22132530), (14, 20551635), (15, 19181526), (18, 15984605), (19, 15143310), (21, 13701090), (26, 11066265), (30, 9590763), (35, 8220654), (38, 7571655), (39, 7377510), (42, 6850545), (43, 6691230), (45, 6393842), (57, 5047770), (63, 4567030), (65, 4426506), (70, 4110327), (78, 3688755), (86, 3345615), (90, 3196921), (91, 3161790), (95, 3028662), (105, 2740218), (114, 2523885), (117, 2459170), (126, 2283515), (129, 2230410), (130, 2213253), (133, 2163330), (171, 1682590), (182, 1580895), (190, 1514331), (195, 1475502), (210, 1370109), (215, 1338246), (234, 1229585), (247, 1164870), (258, 1115205), (266, 1081665), (273, 1053930), (285, 1009554), (301, 955890), (315, 913406), (342, 841295), (387, 743470), (390, 737751), (399, 721110), (430, 669123), (455, 632358), (494, 582435), (546, 526965), (559, 514710), (570, 504777), (585, 491834), (602, 477945), (630, 456703), (645, 446082), (665, 432666), (741, 388290), (774, 371735), (798, 360555), (817, 352170), (819, 351310), (855, 336518), (903, 318630), (910, 316179), (1118, 257355), (1170, 245917), (1197, 240370), (1235, 232974), (1290, 223041), (1330, 216333), (1365, 210786), (1482, 194145), (1505, 191178), (1634, 176085), (1638, 175655), (1677, 171570), (1710, 168259), (1729, 166410), (1806, 159315), (1849, 155610), (1935, 148694), (1995, 144222), (2223, 129430), (2394, 120185), (2451, 117390), (2470, 116487), (2709, 106210), (2730, 105393), (2795, 102942), (3010, 95589), (3354, 85785), (3458, 83205), (3698, 77805), (3705, 77658), (3870, 74347), (3913, 73530), (3990, 72111), (4085, 70434), (4095, 70262), (4446, 64715), (4515, 63726), (4902, 58695), (5031, 57190), (5187, 55470), (5418, 53105), (5547, 51870), (5590, 51471), (5719, 50310), (5985, 48074), (7353, 39130), (7410, 38829), (7826, 36765), (8170, 35217), (8190, 35131), (8385, 34314), (8645, 33282), (9030, 31863), (9245, 31122), (10062, 28595), (10374, 27735), (10621, 27090), (11094, 25935), (11115, 25886), (11438, 25155), (11739, 24510), (11970, 24037), (12255, 23478), (12943, 22230), (13545, 21242), (14706, 19565), (15561, 18490), (16641, 17290), (16770, 17157)]