1320003328

素因数分解:

$2^8\times 7^1\times {\mathrm{409}}^1\times {\mathrm{1801}}^1$

素因数の和:2233

約数の個数: 72

約数和(自身を含む): 3020296160

約数和(自身を除く): 1700292832

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 256, 409, 448, 818, 896, 1636, 1792, 1801, 2863, 3272, 3602, 5726, 6544, 7204, 11452, 12607, 13088, 14408, 22904, 25214, 26176, 28816, 45808, 50428, 52352, 57632, 91616, 100856, 104704, 115264, 183232, 201712, 230528, 366464, 403424, 461056, 732928, 736609, 806848, 1473218, 1613696, 2946436, 3227392, 5156263, 5892872, 10312526, 11785744, 20625052, 23571488, 41250104, 47142976, 82500208, 94285952, 165000416, 188571904, 330000832, 660001664, 1320003328]

約数ペア:

[(1, 1320003328), (2, 660001664), (4, 330000832), (7, 188571904), (8, 165000416), (14, 94285952), (16, 82500208), (28, 47142976), (32, 41250104), (56, 23571488), (64, 20625052), (112, 11785744), (128, 10312526), (224, 5892872), (256, 5156263), (409, 3227392), (448, 2946436), (818, 1613696), (896, 1473218), (1636, 806848), (1792, 736609), (1801, 732928), (2863, 461056), (3272, 403424), (3602, 366464), (5726, 230528), (6544, 201712), (7204, 183232), (11452, 115264), (12607, 104704), (13088, 100856), (14408, 91616), (22904, 57632), (25214, 52352), (26176, 50428), (28816, 45808)]