138519160

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{661}}^1$

素因数の和:729

約数の個数: 96

約数和(自身を含む): 348900480

約数和(自身を除く): 210381320

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 31, 40, 52, 62, 65, 104, 124, 130, 155, 169, 248, 260, 310, 338, 403, 520, 620, 661, 676, 806, 845, 1240, 1322, 1352, 1612, 1690, 2015, 2644, 3224, 3305, 3380, 4030, 5239, 5288, 6610, 6760, 8060, 8593, 10478, 13220, 16120, 17186, 20491, 20956, 26195, 26440, 34372, 40982, 41912, 42965, 52390, 68744, 81964, 85930, 102455, 104780, 111709, 163928, 171860, 204910, 209560, 223418, 266383, 343720, 409820, 446836, 532766, 558545, 819640, 893672, 1065532, 1117090, 1331915, 2131064, 2234180, 2663830, 3462979, 4468360, 5327660, 6925958, 10655320, 13851916, 17314895, 27703832, 34629790, 69259580, 138519160]

約数ペア:

[(1, 138519160), (2, 69259580), (4, 34629790), (5, 27703832), (8, 17314895), (10, 13851916), (13, 10655320), (20, 6925958), (26, 5327660), (31, 4468360), (40, 3462979), (52, 2663830), (62, 2234180), (65, 2131064), (104, 1331915), (124, 1117090), (130, 1065532), (155, 893672), (169, 819640), (248, 558545), (260, 532766), (310, 446836), (338, 409820), (403, 343720), (520, 266383), (620, 223418), (661, 209560), (676, 204910), (806, 171860), (845, 163928), (1240, 111709), (1322, 104780), (1352, 102455), (1612, 85930), (1690, 81964), (2015, 68744), (2644, 52390), (3224, 42965), (3305, 41912), (3380, 40982), (4030, 34372), (5239, 26440), (5288, 26195), (6610, 20956), (6760, 20491), (8060, 17186), (8593, 16120), (10478, 13220)]