130346320

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{311}}^1$

素因数の和:381

約数の個数: 120

約数和(自身を含む): 339835392

約数和(自身を除く): 209489072

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 40, 52, 62, 65, 80, 104, 124, 130, 155, 169, 208, 248, 260, 310, 311, 338, 403, 496, 520, 620, 622, 676, 806, 845, 1040, 1240, 1244, 1352, 1555, 1612, 1690, 2015, 2480, 2488, 2704, 3110, 3224, 3380, 4030, 4043, 4976, 5239, 6220, 6448, 6760, 8060, 8086, 9641, 10478, 12440, 13520, 16120, 16172, 19282, 20215, 20956, 24880, 26195, 32240, 32344, 38564, 40430, 41912, 48205, 52390, 52559, 64688, 77128, 80860, 83824, 96410, 104780, 105118, 125333, 154256, 161720, 192820, 209560, 210236, 250666, 262795, 323440, 385640, 419120, 420472, 501332, 525590, 626665, 771280, 840944, 1002664, 1051180, 1253330, 1629329, 2005328, 2102360, 2506660, 3258658, 4204720, 5013320, 6517316, 8146645, 10026640, 13034632, 16293290, 26069264, 32586580, 65173160, 130346320]

約数ペア:

[(1, 130346320), (2, 65173160), (4, 32586580), (5, 26069264), (8, 16293290), (10, 13034632), (13, 10026640), (16, 8146645), (20, 6517316), (26, 5013320), (31, 4204720), (40, 3258658), (52, 2506660), (62, 2102360), (65, 2005328), (80, 1629329), (104, 1253330), (124, 1051180), (130, 1002664), (155, 840944), (169, 771280), (208, 626665), (248, 525590), (260, 501332), (310, 420472), (311, 419120), (338, 385640), (403, 323440), (496, 262795), (520, 250666), (620, 210236), (622, 209560), (676, 192820), (806, 161720), (845, 154256), (1040, 125333), (1240, 105118), (1244, 104780), (1352, 96410), (1555, 83824), (1612, 80860), (1690, 77128), (2015, 64688), (2480, 52559), (2488, 52390), (2704, 48205), (3110, 41912), (3224, 40430), (3380, 38564), (4030, 32344), (4043, 32240), (4976, 26195), (5239, 24880), (6220, 20956), (6448, 20215), (6760, 19282), (8060, 16172), (8086, 16120), (9641, 13520), (10478, 12440)]