218689380

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{13}}^3\times {\mathrm{79}}^1$

素因数の和:140

約数の個数: 288

約数和(自身を含む): 831667200

約数和(自身を除く): 612977820

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 13, 14, 15, 18, 20, 21, 26, 28, 30, 35, 36, 39, 42, 45, 52, 60, 63, 65, 70, 78, 79, 84, 90, 91, 105, 117, 126, 130, 140, 156, 158, 169, 180, 182, 195, 210, 234, 237, 252, 260, 273, 315, 316, 338, 364, 390, 395, 420, 455, 468, 474, 507, 546, 553, 585, 630, 676, 711, 780, 790, 819, 845, 910, 948, 1014, 1027, 1092, 1106, 1170, 1183, 1185, 1260, 1365, 1422, 1521, 1580, 1638, 1659, 1690, 1820, 2028, 2054, 2197, 2212, 2340, 2366, 2370, 2535, 2730, 2765, 2844, 3042, 3081, 3276, 3318, 3380, 3549, 3555, 4095, 4108, 4394, 4732, 4740, 4977, 5070, 5135, 5460, 5530, 5915, 6084, 6162, 6591, 6636, 7098, 7110, 7189, 7605, 8190, 8295, 8788, 9243, 9954, 10140, 10270, 10647, 10985, 11060, 11830, 12324, 13182, 13351, 14196, 14220, 14378, 15210, 15379, 15405, 16380, 16590, 17745, 18486, 19773, 19908, 20540, 21294, 21567, 21970, 23660, 24885, 26364, 26702, 28756, 30420, 30758, 30810, 32955, 33180, 35490, 35945, 36972, 39546, 40053, 42588, 43134, 43940, 46137, 46215, 49770, 53235, 53404, 61516, 61620, 64701, 65910, 66755, 70980, 71890, 76895, 79092, 80106, 86268, 92274, 92430, 93457, 98865, 99540, 106470, 107835, 120159, 129402, 131820, 133510, 138411, 143780, 153790, 160212, 173563, 184548, 184860, 186914, 197730, 200265, 212940, 215670, 230685, 240318, 258804, 267020, 276822, 280371, 307580, 323505, 347126, 373828, 395460, 400530, 431340, 461370, 467285, 480636, 520689, 553644, 560742, 600795, 647010, 692055, 694252, 801060, 841113, 867815, 922740, 934570, 1041378, 1121484, 1201590, 1214941, 1294020, 1384110, 1401855, 1562067, 1682226, 1735630, 1869140, 2082756, 2403180, 2429882, 2603445, 2768220, 2803710, 3124134, 3364452, 3471260, 3644823, 4205565, 4859764, 5206890, 5607420, 6074705, 6248268, 7289646, 7810335, 8411130, 10413780, 10934469, 12149410, 14579292, 15620670, 16822260, 18224115, 21868938, 24298820, 31241340, 36448230, 43737876, 54672345, 72896460, 109344690, 218689380]

約数ペア:

[(1, 218689380), (2, 109344690), (3, 72896460), (4, 54672345), (5, 43737876), (6, 36448230), (7, 31241340), (9, 24298820), (10, 21868938), (12, 18224115), (13, 16822260), (14, 15620670), (15, 14579292), (18, 12149410), (20, 10934469), (21, 10413780), (26, 8411130), (28, 7810335), (30, 7289646), (35, 6248268), (36, 6074705), (39, 5607420), (42, 5206890), (45, 4859764), (52, 4205565), (60, 3644823), (63, 3471260), (65, 3364452), (70, 3124134), (78, 2803710), (79, 2768220), (84, 2603445), (90, 2429882), (91, 2403180), (105, 2082756), (117, 1869140), (126, 1735630), (130, 1682226), (140, 1562067), (156, 1401855), (158, 1384110), (169, 1294020), (180, 1214941), (182, 1201590), (195, 1121484), (210, 1041378), (234, 934570), (237, 922740), (252, 867815), (260, 841113), (273, 801060), (315, 694252), (316, 692055), (338, 647010), (364, 600795), (390, 560742), (395, 553644), (420, 520689), (455, 480636), (468, 467285), (474, 461370), (507, 431340), (546, 400530), (553, 395460), (585, 373828), (630, 347126), (676, 323505), (711, 307580), (780, 280371), (790, 276822), (819, 267020), (845, 258804), (910, 240318), (948, 230685), (1014, 215670), (1027, 212940), (1092, 200265), (1106, 197730), (1170, 186914), (1183, 184860), (1185, 184548), (1260, 173563), (1365, 160212), (1422, 153790), (1521, 143780), (1580, 138411), (1638, 133510), (1659, 131820), (1690, 129402), (1820, 120159), (2028, 107835), (2054, 106470), (2197, 99540), (2212, 98865), (2340, 93457), (2366, 92430), (2370, 92274), (2535, 86268), (2730, 80106), (2765, 79092), (2844, 76895), (3042, 71890), (3081, 70980), (3276, 66755), (3318, 65910), (3380, 64701), (3549, 61620), (3555, 61516), (4095, 53404), (4108, 53235), (4394, 49770), (4732, 46215), (4740, 46137), (4977, 43940), (5070, 43134), (5135, 42588), (5460, 40053), (5530, 39546), (5915, 36972), (6084, 35945), (6162, 35490), (6591, 33180), (6636, 32955), (7098, 30810), (7110, 30758), (7189, 30420), (7605, 28756), (8190, 26702), (8295, 26364), (8788, 24885), (9243, 23660), (9954, 21970), (10140, 21567), (10270, 21294), (10647, 20540), (10985, 19908), (11060, 19773), (11830, 18486), (12324, 17745), (13182, 16590), (13351, 16380), (14196, 15405), (14220, 15379), (14378, 15210)]