218651680

素因数分解:

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

素因数の和:3450

約数の個数: 96

約数和(自身を含む): 574414848

約数和(自身を除く): 355763168

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 32, 40, 52, 62, 65, 80, 104, 124, 130, 155, 160, 208, 248, 260, 310, 403, 416, 496, 520, 620, 806, 992, 1040, 1240, 1612, 2015, 2080, 2480, 3224, 3391, 4030, 4960, 6448, 6782, 8060, 12896, 13564, 16120, 16955, 27128, 32240, 33910, 44083, 54256, 64480, 67820, 88166, 105121, 108512, 135640, 176332, 210242, 220415, 271280, 352664, 420484, 440830, 525605, 542560, 705328, 840968, 881660, 1051210, 1366573, 1410656, 1681936, 1763320, 2102420, 2733146, 3363872, 3526640, 4204840, 5466292, 6832865, 7053280, 8409680, 10932584, 13665730, 16819360, 21865168, 27331460, 43730336, 54662920, 109325840, 218651680]

約数ペア:

[(1, 218651680), (2, 109325840), (4, 54662920), (5, 43730336), (8, 27331460), (10, 21865168), (13, 16819360), (16, 13665730), (20, 10932584), (26, 8409680), (31, 7053280), (32, 6832865), (40, 5466292), (52, 4204840), (62, 3526640), (65, 3363872), (80, 2733146), (104, 2102420), (124, 1763320), (130, 1681936), (155, 1410656), (160, 1366573), (208, 1051210), (248, 881660), (260, 840968), (310, 705328), (403, 542560), (416, 525605), (496, 440830), (520, 420484), (620, 352664), (806, 271280), (992, 220415), (1040, 210242), (1240, 176332), (1612, 135640), (2015, 108512), (2080, 105121), (2480, 88166), (3224, 67820), (3391, 64480), (4030, 54256), (4960, 44083), (6448, 33910), (6782, 32240), (8060, 27128), (12896, 16955), (13564, 16120)]