160426240

素因数分解:

$2^8\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{311}}^1$

素因数の和:376

約数の個数: 144

約数和(自身を含む): 428553216

約数和(自身を除く): 268126976

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 32, 40, 52, 62, 64, 65, 80, 104, 124, 128, 130, 155, 160, 208, 248, 256, 260, 310, 311, 320, 403, 416, 496, 520, 620, 622, 640, 806, 832, 992, 1040, 1240, 1244, 1280, 1555, 1612, 1664, 1984, 2015, 2080, 2480, 2488, 3110, 3224, 3328, 3968, 4030, 4043, 4160, 4960, 4976, 6220, 6448, 7936, 8060, 8086, 8320, 9641, 9920, 9952, 12440, 12896, 16120, 16172, 16640, 19282, 19840, 19904, 20215, 24880, 25792, 32240, 32344, 38564, 39680, 39808, 40430, 48205, 49760, 51584, 64480, 64688, 77128, 79616, 80860, 96410, 99520, 103168, 125333, 128960, 129376, 154256, 161720, 192820, 199040, 250666, 257920, 258752, 308512, 323440, 385640, 398080, 501332, 515840, 517504, 617024, 626665, 646880, 771280, 1002664, 1035008, 1234048, 1253330, 1293760, 1542560, 2005328, 2468096, 2506660, 2587520, 3085120, 4010656, 5013320, 5175040, 6170240, 8021312, 10026640, 12340480, 16042624, 20053280, 32085248, 40106560, 80213120, 160426240]

約数ペア:

[(1, 160426240), (2, 80213120), (4, 40106560), (5, 32085248), (8, 20053280), (10, 16042624), (13, 12340480), (16, 10026640), (20, 8021312), (26, 6170240), (31, 5175040), (32, 5013320), (40, 4010656), (52, 3085120), (62, 2587520), (64, 2506660), (65, 2468096), (80, 2005328), (104, 1542560), (124, 1293760), (128, 1253330), (130, 1234048), (155, 1035008), (160, 1002664), (208, 771280), (248, 646880), (256, 626665), (260, 617024), (310, 517504), (311, 515840), (320, 501332), (403, 398080), (416, 385640), (496, 323440), (520, 308512), (620, 258752), (622, 257920), (640, 250666), (806, 199040), (832, 192820), (992, 161720), (1040, 154256), (1240, 129376), (1244, 128960), (1280, 125333), (1555, 103168), (1612, 99520), (1664, 96410), (1984, 80860), (2015, 79616), (2080, 77128), (2480, 64688), (2488, 64480), (3110, 51584), (3224, 49760), (3328, 48205), (3968, 40430), (4030, 39808), (4043, 39680), (4160, 38564), (4960, 32344), (4976, 32240), (6220, 25792), (6448, 24880), (7936, 20215), (8060, 19904), (8086, 19840), (8320, 19282), (9641, 16640), (9920, 16172), (9952, 16120), (12440, 12896)]