321189760

素因数分解:

$2^7\times 5^1\times {\mathrm{31}}^1\times {\mathrm{16189}}^1$

素因数の和:16239

約数の個数: 64

約数和(自身を含む): 792662400

約数和(自身を除く): 471472640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 310, 320, 496, 620, 640, 992, 1240, 1984, 2480, 3968, 4960, 9920, 16189, 19840, 32378, 64756, 80945, 129512, 161890, 259024, 323780, 501859, 518048, 647560, 1003718, 1036096, 1295120, 2007436, 2072192, 2509295, 2590240, 4014872, 5018590, 5180480, 8029744, 10037180, 10360960, 16059488, 20074360, 32118976, 40148720, 64237952, 80297440, 160594880, 321189760]

約数ペア:

[(1, 321189760), (2, 160594880), (4, 80297440), (5, 64237952), (8, 40148720), (10, 32118976), (16, 20074360), (20, 16059488), (31, 10360960), (32, 10037180), (40, 8029744), (62, 5180480), (64, 5018590), (80, 4014872), (124, 2590240), (128, 2509295), (155, 2072192), (160, 2007436), (248, 1295120), (310, 1036096), (320, 1003718), (496, 647560), (620, 518048), (640, 501859), (992, 323780), (1240, 259024), (1984, 161890), (2480, 129512), (3968, 80945), (4960, 64756), (9920, 32378), (16189, 19840)]