277038320

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{661}}^1$

素因数の和:731

約数の個数: 120

約数和(自身を含む): 721060992

約数和(自身を除く): 444022672

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, 338, 403, 496, 520, 620, 661, 676, 806, 845, 1040, 1240, 1322, 1352, 1612, 1690, 2015, 2480, 2644, 2704, 3224, 3305, 3380, 4030, 5239, 5288, 6448, 6610, 6760, 8060, 8593, 10478, 10576, 13220, 13520, 16120, 17186, 20491, 20956, 26195, 26440, 32240, 34372, 40982, 41912, 42965, 52390, 52880, 68744, 81964, 83824, 85930, 102455, 104780, 111709, 137488, 163928, 171860, 204910, 209560, 223418, 266383, 327856, 343720, 409820, 419120, 446836, 532766, 558545, 687440, 819640, 893672, 1065532, 1117090, 1331915, 1639280, 1787344, 2131064, 2234180, 2663830, 3462979, 4262128, 4468360, 5327660, 6925958, 8936720, 10655320, 13851916, 17314895, 21310640, 27703832, 34629790, 55407664, 69259580, 138519160, 277038320]

約数ペア:

[(1, 277038320), (2, 138519160), (4, 69259580), (5, 55407664), (8, 34629790), (10, 27703832), (13, 21310640), (16, 17314895), (20, 13851916), (26, 10655320), (31, 8936720), (40, 6925958), (52, 5327660), (62, 4468360), (65, 4262128), (80, 3462979), (104, 2663830), (124, 2234180), (130, 2131064), (155, 1787344), (169, 1639280), (208, 1331915), (248, 1117090), (260, 1065532), (310, 893672), (338, 819640), (403, 687440), (496, 558545), (520, 532766), (620, 446836), (661, 419120), (676, 409820), (806, 343720), (845, 327856), (1040, 266383), (1240, 223418), (1322, 209560), (1352, 204910), (1612, 171860), (1690, 163928), (2015, 137488), (2480, 111709), (2644, 104780), (2704, 102455), (3224, 85930), (3305, 83824), (3380, 81964), (4030, 68744), (5239, 52880), (5288, 52390), (6448, 42965), (6610, 41912), (6760, 40982), (8060, 34372), (8593, 32240), (10478, 26440), (10576, 26195), (13220, 20956), (13520, 20491), (16120, 17186)]