128032480

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{311}}^1$

素因数の和:440

約数の個数: 96

約数和(自身を含む): 317011968

約数和(自身を除く): 188979488

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 80, 83, 124, 155, 160, 166, 248, 310, 311, 332, 415, 496, 620, 622, 664, 830, 992, 1240, 1244, 1328, 1555, 1660, 2480, 2488, 2573, 2656, 3110, 3320, 4960, 4976, 5146, 6220, 6640, 9641, 9952, 10292, 12440, 12865, 13280, 19282, 20584, 24880, 25730, 25813, 38564, 41168, 48205, 49760, 51460, 51626, 77128, 82336, 96410, 102920, 103252, 129065, 154256, 192820, 205840, 206504, 258130, 308512, 385640, 411680, 413008, 516260, 771280, 800203, 826016, 1032520, 1542560, 1600406, 2065040, 3200812, 4001015, 4130080, 6401624, 8002030, 12803248, 16004060, 25606496, 32008120, 64016240, 128032480]

約数ペア:

[(1, 128032480), (2, 64016240), (4, 32008120), (5, 25606496), (8, 16004060), (10, 12803248), (16, 8002030), (20, 6401624), (31, 4130080), (32, 4001015), (40, 3200812), (62, 2065040), (80, 1600406), (83, 1542560), (124, 1032520), (155, 826016), (160, 800203), (166, 771280), (248, 516260), (310, 413008), (311, 411680), (332, 385640), (415, 308512), (496, 258130), (620, 206504), (622, 205840), (664, 192820), (830, 154256), (992, 129065), (1240, 103252), (1244, 102920), (1328, 96410), (1555, 82336), (1660, 77128), (2480, 51626), (2488, 51460), (2573, 49760), (2656, 48205), (3110, 41168), (3320, 38564), (4960, 25813), (4976, 25730), (5146, 24880), (6220, 20584), (6640, 19282), (9641, 13280), (9952, 12865), (10292, 12440)]