420512040

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{491}}^1$

素因数の和:585

約数の個数: 256

約数和(自身を含む): 1537401600

約数和(自身を除く): 1116889560

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 26, 27, 30, 36, 39, 40, 45, 52, 54, 60, 61, 65, 72, 78, 90, 104, 108, 117, 120, 122, 130, 135, 156, 180, 183, 195, 216, 234, 244, 260, 270, 305, 312, 351, 360, 366, 390, 468, 488, 491, 520, 540, 549, 585, 610, 702, 732, 780, 793, 915, 936, 982, 1080, 1098, 1170, 1220, 1404, 1464, 1473, 1560, 1586, 1647, 1755, 1830, 1964, 2196, 2340, 2379, 2440, 2455, 2745, 2808, 2946, 3172, 3294, 3510, 3660, 3928, 3965, 4392, 4419, 4680, 4758, 4910, 5490, 5892, 6344, 6383, 6588, 7020, 7137, 7320, 7365, 7930, 8235, 8838, 9516, 9820, 10980, 11784, 11895, 12766, 13176, 13257, 14040, 14274, 14730, 15860, 16470, 17676, 19032, 19149, 19640, 21411, 21960, 22095, 23790, 25532, 26514, 28548, 29460, 29951, 31720, 31915, 32940, 35352, 35685, 38298, 42822, 44190, 47580, 51064, 53028, 57096, 57447, 58920, 59902, 63830, 65880, 66285, 71370, 76596, 85644, 88380, 89853, 95160, 95745, 106056, 107055, 114894, 119804, 127660, 132570, 142740, 149755, 153192, 171288, 172341, 176760, 179706, 191490, 214110, 229788, 239608, 255320, 265140, 269559, 285480, 287235, 299510, 344682, 359412, 382980, 389363, 428220, 449265, 459576, 530280, 539118, 574470, 599020, 689364, 718824, 765960, 778726, 808677, 856440, 861705, 898530, 1078236, 1148940, 1168089, 1198040, 1347795, 1378728, 1557452, 1617354, 1723410, 1797060, 1946815, 2156472, 2297880, 2336178, 2695590, 3114904, 3234708, 3446820, 3504267, 3594120, 3893630, 4043385, 4672356, 5391180, 5840445, 6469416, 6893640, 7008534, 7787260, 8086770, 9344712, 10512801, 10782360, 11680890, 14017068, 15574520, 16173540, 17521335, 21025602, 23361780, 28034136, 32347080, 35042670, 42051204, 46723560, 52564005, 70085340, 84102408, 105128010, 140170680, 210256020, 420512040]

約数ペア:

[(1, 420512040), (2, 210256020), (3, 140170680), (4, 105128010), (5, 84102408), (6, 70085340), (8, 52564005), (9, 46723560), (10, 42051204), (12, 35042670), (13, 32347080), (15, 28034136), (18, 23361780), (20, 21025602), (24, 17521335), (26, 16173540), (27, 15574520), (30, 14017068), (36, 11680890), (39, 10782360), (40, 10512801), (45, 9344712), (52, 8086770), (54, 7787260), (60, 7008534), (61, 6893640), (65, 6469416), (72, 5840445), (78, 5391180), (90, 4672356), (104, 4043385), (108, 3893630), (117, 3594120), (120, 3504267), (122, 3446820), (130, 3234708), (135, 3114904), (156, 2695590), (180, 2336178), (183, 2297880), (195, 2156472), (216, 1946815), (234, 1797060), (244, 1723410), (260, 1617354), (270, 1557452), (305, 1378728), (312, 1347795), (351, 1198040), (360, 1168089), (366, 1148940), (390, 1078236), (468, 898530), (488, 861705), (491, 856440), (520, 808677), (540, 778726), (549, 765960), (585, 718824), (610, 689364), (702, 599020), (732, 574470), (780, 539118), (793, 530280), (915, 459576), (936, 449265), (982, 428220), (1080, 389363), (1098, 382980), (1170, 359412), (1220, 344682), (1404, 299510), (1464, 287235), (1473, 285480), (1560, 269559), (1586, 265140), (1647, 255320), (1755, 239608), (1830, 229788), (1964, 214110), (2196, 191490), (2340, 179706), (2379, 176760), (2440, 172341), (2455, 171288), (2745, 153192), (2808, 149755), (2946, 142740), (3172, 132570), (3294, 127660), (3510, 119804), (3660, 114894), (3928, 107055), (3965, 106056), (4392, 95745), (4419, 95160), (4680, 89853), (4758, 88380), (4910, 85644), (5490, 76596), (5892, 71370), (6344, 66285), (6383, 65880), (6588, 63830), (7020, 59902), (7137, 58920), (7320, 57447), (7365, 57096), (7930, 53028), (8235, 51064), (8838, 47580), (9516, 44190), (9820, 42822), (10980, 38298), (11784, 35685), (11895, 35352), (12766, 32940), (13176, 31915), (13257, 31720), (14040, 29951), (14274, 29460), (14730, 28548), (15860, 26514), (16470, 25532), (17676, 23790), (19032, 22095), (19149, 21960), (19640, 21411)]