428289720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{127}}^1\times {\mathrm{157}}^1\times {\mathrm{179}}^1$

素因数の和:477

約数の個数: 128

約数和(自身を含む): 1310515200

約数和(自身を除く): 882225480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 127, 157, 179, 254, 314, 358, 381, 471, 508, 537, 628, 635, 716, 762, 785, 895, 942, 1016, 1074, 1256, 1270, 1432, 1524, 1570, 1790, 1884, 1905, 2148, 2355, 2540, 2685, 3048, 3140, 3580, 3768, 3810, 4296, 4710, 5080, 5370, 6280, 7160, 7620, 9420, 10740, 15240, 18840, 19939, 21480, 22733, 28103, 39878, 45466, 56206, 59817, 68199, 79756, 84309, 90932, 99695, 112412, 113665, 119634, 136398, 140515, 159512, 168618, 181864, 199390, 224824, 227330, 239268, 272796, 281030, 299085, 337236, 340995, 398780, 421545, 454660, 478536, 545592, 562060, 598170, 674472, 681990, 797560, 843090, 909320, 1124120, 1196340, 1363980, 1686180, 2392680, 2727960, 3372360, 3569081, 7138162, 10707243, 14276324, 17845405, 21414486, 28552648, 35690810, 42828972, 53536215, 71381620, 85657944, 107072430, 142763240, 214144860, 428289720]

約数ペア:

[(1, 428289720), (2, 214144860), (3, 142763240), (4, 107072430), (5, 85657944), (6, 71381620), (8, 53536215), (10, 42828972), (12, 35690810), (15, 28552648), (20, 21414486), (24, 17845405), (30, 14276324), (40, 10707243), (60, 7138162), (120, 3569081), (127, 3372360), (157, 2727960), (179, 2392680), (254, 1686180), (314, 1363980), (358, 1196340), (381, 1124120), (471, 909320), (508, 843090), (537, 797560), (628, 681990), (635, 674472), (716, 598170), (762, 562060), (785, 545592), (895, 478536), (942, 454660), (1016, 421545), (1074, 398780), (1256, 340995), (1270, 337236), (1432, 299085), (1524, 281030), (1570, 272796), (1790, 239268), (1884, 227330), (1905, 224824), (2148, 199390), (2355, 181864), (2540, 168618), (2685, 159512), (3048, 140515), (3140, 136398), (3580, 119634), (3768, 113665), (3810, 112412), (4296, 99695), (4710, 90932), (5080, 84309), (5370, 79756), (6280, 68199), (7160, 59817), (7620, 56206), (9420, 45466), (10740, 39878), (15240, 28103), (18840, 22733), (19939, 21480)]