874606720

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{3391}}^1$

素因数の和:3454

約数の個数: 128

約数和(自身を含む): 2325012480

約数和(自身を除く): 1450405760

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, 260, 310, 320, 403, 416, 496, 520, 620, 640, 806, 832, 992, 1040, 1240, 1612, 1664, 1984, 2015, 2080, 2480, 3224, 3391, 3968, 4030, 4160, 4960, 6448, 6782, 8060, 8320, 9920, 12896, 13564, 16120, 16955, 19840, 25792, 27128, 32240, 33910, 44083, 51584, 54256, 64480, 67820, 88166, 105121, 108512, 128960, 135640, 176332, 210242, 217024, 220415, 257920, 271280, 352664, 420484, 434048, 440830, 525605, 542560, 705328, 840968, 881660, 1051210, 1085120, 1366573, 1410656, 1681936, 1763320, 2102420, 2170240, 2733146, 2821312, 3363872, 3526640, 4204840, 5466292, 5642624, 6727744, 6832865, 7053280, 8409680, 10932584, 13455488, 13665730, 14106560, 16819360, 21865168, 27331460, 28213120, 33638720, 43730336, 54662920, 67277440, 87460672, 109325840, 174921344, 218651680, 437303360, 874606720]

約数ペア:

[(1, 874606720), (2, 437303360), (4, 218651680), (5, 174921344), (8, 109325840), (10, 87460672), (13, 67277440), (16, 54662920), (20, 43730336), (26, 33638720), (31, 28213120), (32, 27331460), (40, 21865168), (52, 16819360), (62, 14106560), (64, 13665730), (65, 13455488), (80, 10932584), (104, 8409680), (124, 7053280), (128, 6832865), (130, 6727744), (155, 5642624), (160, 5466292), (208, 4204840), (248, 3526640), (260, 3363872), (310, 2821312), (320, 2733146), (403, 2170240), (416, 2102420), (496, 1763320), (520, 1681936), (620, 1410656), (640, 1366573), (806, 1085120), (832, 1051210), (992, 881660), (1040, 840968), (1240, 705328), (1612, 542560), (1664, 525605), (1984, 440830), (2015, 434048), (2080, 420484), (2480, 352664), (3224, 271280), (3391, 257920), (3968, 220415), (4030, 217024), (4160, 210242), (4960, 176332), (6448, 135640), (6782, 128960), (8060, 108512), (8320, 105121), (9920, 88166), (12896, 67820), (13564, 64480), (16120, 54256), (16955, 51584), (19840, 44083), (25792, 33910), (27128, 32240)]