1218234780

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{151}}^1\times {\mathrm{337}}^1$

素因数の和:529

約数の個数: 288

約数和(自身を含む): 4488207360

約数和(自身を除く): 3269972580

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 19, 20, 21, 28, 30, 35, 36, 38, 42, 45, 57, 60, 63, 70, 76, 84, 90, 95, 105, 114, 126, 133, 140, 151, 171, 180, 190, 210, 228, 252, 266, 285, 302, 315, 337, 342, 380, 399, 420, 453, 532, 570, 604, 630, 665, 674, 684, 755, 798, 855, 906, 1011, 1057, 1140, 1197, 1260, 1330, 1348, 1359, 1510, 1596, 1685, 1710, 1812, 1995, 2022, 2114, 2265, 2359, 2394, 2660, 2718, 2869, 3020, 3033, 3171, 3370, 3420, 3990, 4044, 4228, 4530, 4718, 4788, 5055, 5285, 5436, 5738, 5985, 6066, 6342, 6403, 6740, 6795, 7077, 7980, 8607, 9060, 9436, 9513, 10110, 10570, 11476, 11795, 11970, 12132, 12684, 12806, 13590, 14154, 14345, 15165, 15855, 17214, 19026, 19209, 20083, 20220, 21140, 21231, 23590, 23940, 25612, 25821, 27180, 28308, 28690, 30330, 31710, 32015, 34428, 35385, 38052, 38418, 40166, 42462, 43035, 44821, 47180, 47565, 50887, 51642, 57380, 57627, 60249, 60660, 63420, 64030, 70770, 76836, 80332, 84924, 86070, 89642, 95130, 96045, 100415, 101774, 103284, 106155, 115254, 120498, 128060, 129105, 134463, 141540, 152661, 172140, 179284, 180747, 190260, 192090, 200830, 203548, 212310, 224105, 230508, 240996, 254435, 258210, 268926, 288135, 301245, 305322, 356209, 361494, 384180, 401660, 403389, 424620, 448210, 457983, 508870, 516420, 537852, 576270, 602490, 610644, 672315, 712418, 722988, 763305, 806778, 896420, 903735, 915966, 966853, 1017740, 1068627, 1152540, 1204980, 1344630, 1424836, 1526610, 1613556, 1781045, 1807470, 1831932, 1933706, 2016945, 2137254, 2289915, 2689260, 2900559, 3053220, 3205881, 3562090, 3614940, 3867412, 4033890, 4274508, 4579830, 4834265, 5343135, 5801118, 6411762, 6767971, 7124180, 8067780, 8701677, 9159660, 9668530, 10686270, 11602236, 12823524, 13535942, 14502795, 16029405, 17403354, 19337060, 20303913, 21372540, 27071884, 29005590, 32058810, 33839855, 34806708, 40607826, 43508385, 58011180, 60911739, 64117620, 67679710, 81215652, 87016770, 101519565, 121823478, 135359420, 174033540, 203039130, 243646956, 304558695, 406078260, 609117390, 1218234780]

約数ペア:

[(1, 1218234780), (2, 609117390), (3, 406078260), (4, 304558695), (5, 243646956), (6, 203039130), (7, 174033540), (9, 135359420), (10, 121823478), (12, 101519565), (14, 87016770), (15, 81215652), (18, 67679710), (19, 64117620), (20, 60911739), (21, 58011180), (28, 43508385), (30, 40607826), (35, 34806708), (36, 33839855), (38, 32058810), (42, 29005590), (45, 27071884), (57, 21372540), (60, 20303913), (63, 19337060), (70, 17403354), (76, 16029405), (84, 14502795), (90, 13535942), (95, 12823524), (105, 11602236), (114, 10686270), (126, 9668530), (133, 9159660), (140, 8701677), (151, 8067780), (171, 7124180), (180, 6767971), (190, 6411762), (210, 5801118), (228, 5343135), (252, 4834265), (266, 4579830), (285, 4274508), (302, 4033890), (315, 3867412), (337, 3614940), (342, 3562090), (380, 3205881), (399, 3053220), (420, 2900559), (453, 2689260), (532, 2289915), (570, 2137254), (604, 2016945), (630, 1933706), (665, 1831932), (674, 1807470), (684, 1781045), (755, 1613556), (798, 1526610), (855, 1424836), (906, 1344630), (1011, 1204980), (1057, 1152540), (1140, 1068627), (1197, 1017740), (1260, 966853), (1330, 915966), (1348, 903735), (1359, 896420), (1510, 806778), (1596, 763305), (1685, 722988), (1710, 712418), (1812, 672315), (1995, 610644), (2022, 602490), (2114, 576270), (2265, 537852), (2359, 516420), (2394, 508870), (2660, 457983), (2718, 448210), (2869, 424620), (3020, 403389), (3033, 401660), (3171, 384180), (3370, 361494), (3420, 356209), (3990, 305322), (4044, 301245), (4228, 288135), (4530, 268926), (4718, 258210), (4788, 254435), (5055, 240996), (5285, 230508), (5436, 224105), (5738, 212310), (5985, 203548), (6066, 200830), (6342, 192090), (6403, 190260), (6740, 180747), (6795, 179284), (7077, 172140), (7980, 152661), (8607, 141540), (9060, 134463), (9436, 129105), (9513, 128060), (10110, 120498), (10570, 115254), (11476, 106155), (11795, 103284), (11970, 101774), (12132, 100415), (12684, 96045), (12806, 95130), (13590, 89642), (14154, 86070), (14345, 84924), (15165, 80332), (15855, 76836), (17214, 70770), (19026, 64030), (19209, 63420), (20083, 60660), (20220, 60249), (21140, 57627), (21231, 57380), (23590, 51642), (23940, 50887), (25612, 47565), (25821, 47180), (27180, 44821), (28308, 43035), (28690, 42462), (30330, 40166), (31710, 38418), (32015, 38052), (34428, 35385)]