51539460

素因数分解:

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

素因数の和:174

約数の個数: 144

約数和(自身を含む): 171362688

約数和(自身を除く): 119823228

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 41, 42, 60, 70, 73, 82, 84, 105, 123, 140, 146, 164, 205, 210, 219, 246, 287, 292, 365, 410, 420, 438, 492, 511, 574, 615, 730, 820, 861, 876, 1022, 1095, 1148, 1230, 1435, 1460, 1533, 1681, 1722, 2044, 2190, 2460, 2555, 2870, 2993, 3066, 3362, 3444, 4305, 4380, 5043, 5110, 5740, 5986, 6132, 6724, 7665, 8405, 8610, 8979, 10086, 10220, 11767, 11972, 14965, 15330, 16810, 17220, 17958, 20172, 20951, 23534, 25215, 29930, 30660, 33620, 35301, 35916, 41902, 44895, 47068, 50430, 58835, 59860, 62853, 70602, 83804, 89790, 100860, 104755, 117670, 122713, 125706, 141204, 176505, 179580, 209510, 235340, 245426, 251412, 314265, 353010, 368139, 419020, 490852, 613565, 628530, 706020, 736278, 858991, 1227130, 1257060, 1472556, 1717982, 1840695, 2454260, 2576973, 3435964, 3681390, 4294955, 5153946, 7362780, 8589910, 10307892, 12884865, 17179820, 25769730, 51539460]

約数ペア:

[(1, 51539460), (2, 25769730), (3, 17179820), (4, 12884865), (5, 10307892), (6, 8589910), (7, 7362780), (10, 5153946), (12, 4294955), (14, 3681390), (15, 3435964), (20, 2576973), (21, 2454260), (28, 1840695), (30, 1717982), (35, 1472556), (41, 1257060), (42, 1227130), (60, 858991), (70, 736278), (73, 706020), (82, 628530), (84, 613565), (105, 490852), (123, 419020), (140, 368139), (146, 353010), (164, 314265), (205, 251412), (210, 245426), (219, 235340), (246, 209510), (287, 179580), (292, 176505), (365, 141204), (410, 125706), (420, 122713), (438, 117670), (492, 104755), (511, 100860), (574, 89790), (615, 83804), (730, 70602), (820, 62853), (861, 59860), (876, 58835), (1022, 50430), (1095, 47068), (1148, 44895), (1230, 41902), (1435, 35916), (1460, 35301), (1533, 33620), (1681, 30660), (1722, 29930), (2044, 25215), (2190, 23534), (2460, 20951), (2555, 20172), (2870, 17958), (2993, 17220), (3066, 16810), (3362, 15330), (3444, 14965), (4305, 11972), (4380, 11767), (5043, 10220), (5110, 10086), (5740, 8979), (5986, 8610), (6132, 8405), (6724, 7665)]