206157840

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{41}}^2\times {\mathrm{73}}^1$

素因数の和:178

約数の個数: 240

約数和(自身を含む): 758891904

約数和(自身を除く): 552734064

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 41, 42, 48, 56, 60, 70, 73, 80, 82, 84, 105, 112, 120, 123, 140, 146, 164, 168, 205, 210, 219, 240, 246, 280, 287, 292, 328, 336, 365, 410, 420, 438, 492, 511, 560, 574, 584, 615, 656, 730, 820, 840, 861, 876, 984, 1022, 1095, 1148, 1168, 1230, 1435, 1460, 1533, 1640, 1680, 1681, 1722, 1752, 1968, 2044, 2190, 2296, 2460, 2555, 2870, 2920, 2993, 3066, 3280, 3362, 3444, 3504, 4088, 4305, 4380, 4592, 4920, 5043, 5110, 5740, 5840, 5986, 6132, 6724, 6888, 7665, 8176, 8405, 8610, 8760, 8979, 9840, 10086, 10220, 11480, 11767, 11972, 12264, 13448, 13776, 14965, 15330, 16810, 17220, 17520, 17958, 20172, 20440, 20951, 22960, 23534, 23944, 24528, 25215, 26896, 29930, 30660, 33620, 34440, 35301, 35916, 40344, 40880, 41902, 44895, 47068, 47888, 50430, 58835, 59860, 61320, 62853, 67240, 68880, 70602, 71832, 80688, 83804, 89790, 94136, 100860, 104755, 117670, 119720, 122640, 122713, 125706, 134480, 141204, 143664, 167608, 176505, 179580, 188272, 201720, 209510, 235340, 239440, 245426, 251412, 282408, 314265, 335216, 353010, 359160, 368139, 403440, 419020, 470680, 490852, 502824, 564816, 613565, 628530, 706020, 718320, 736278, 838040, 858991, 941360, 981704, 1005648, 1227130, 1257060, 1412040, 1472556, 1676080, 1717982, 1840695, 1963408, 2454260, 2514120, 2576973, 2824080, 2945112, 3435964, 3681390, 4294955, 4908520, 5028240, 5153946, 5890224, 6871928, 7362780, 8589910, 9817040, 10307892, 12884865, 13743856, 14725560, 17179820, 20615784, 25769730, 29451120, 34359640, 41231568, 51539460, 68719280, 103078920, 206157840]

約数ペア:

[(1, 206157840), (2, 103078920), (3, 68719280), (4, 51539460), (5, 41231568), (6, 34359640), (7, 29451120), (8, 25769730), (10, 20615784), (12, 17179820), (14, 14725560), (15, 13743856), (16, 12884865), (20, 10307892), (21, 9817040), (24, 8589910), (28, 7362780), (30, 6871928), (35, 5890224), (40, 5153946), (41, 5028240), (42, 4908520), (48, 4294955), (56, 3681390), (60, 3435964), (70, 2945112), (73, 2824080), (80, 2576973), (82, 2514120), (84, 2454260), (105, 1963408), (112, 1840695), (120, 1717982), (123, 1676080), (140, 1472556), (146, 1412040), (164, 1257060), (168, 1227130), (205, 1005648), (210, 981704), (219, 941360), (240, 858991), (246, 838040), (280, 736278), (287, 718320), (292, 706020), (328, 628530), (336, 613565), (365, 564816), (410, 502824), (420, 490852), (438, 470680), (492, 419020), (511, 403440), (560, 368139), (574, 359160), (584, 353010), (615, 335216), (656, 314265), (730, 282408), (820, 251412), (840, 245426), (861, 239440), (876, 235340), (984, 209510), (1022, 201720), (1095, 188272), (1148, 179580), (1168, 176505), (1230, 167608), (1435, 143664), (1460, 141204), (1533, 134480), (1640, 125706), (1680, 122713), (1681, 122640), (1722, 119720), (1752, 117670), (1968, 104755), (2044, 100860), (2190, 94136), (2296, 89790), (2460, 83804), (2555, 80688), (2870, 71832), (2920, 70602), (2993, 68880), (3066, 67240), (3280, 62853), (3362, 61320), (3444, 59860), (3504, 58835), (4088, 50430), (4305, 47888), (4380, 47068), (4592, 44895), (4920, 41902), (5043, 40880), (5110, 40344), (5740, 35916), (5840, 35301), (5986, 34440), (6132, 33620), (6724, 30660), (6888, 29930), (7665, 26896), (8176, 25215), (8405, 24528), (8610, 23944), (8760, 23534), (8979, 22960), (9840, 20951), (10086, 20440), (10220, 20172), (11480, 17958), (11767, 17520), (11972, 17220), (12264, 16810), (13448, 15330), (13776, 14965)]