84130280

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{307}}^1$

素因数の和:379

約数の個数: 128

約数和(自身を含む): 223534080

約数和(自身を除く): 139403800

約数列:

[1, 2, 4, 5, 8, 10, 13, 17, 20, 26, 31, 34, 40, 52, 62, 65, 68, 85, 104, 124, 130, 136, 155, 170, 221, 248, 260, 307, 310, 340, 403, 442, 520, 527, 614, 620, 680, 806, 884, 1054, 1105, 1228, 1240, 1535, 1612, 1768, 2015, 2108, 2210, 2456, 2635, 3070, 3224, 3991, 4030, 4216, 4420, 5219, 5270, 6140, 6851, 7982, 8060, 8840, 9517, 10438, 10540, 12280, 13702, 15964, 16120, 19034, 19955, 20876, 21080, 26095, 27404, 31928, 34255, 38068, 39910, 41752, 47585, 52190, 54808, 67847, 68510, 76136, 79820, 95170, 104380, 123721, 135694, 137020, 159640, 161789, 190340, 208760, 247442, 271388, 274040, 323578, 339235, 380680, 494884, 542776, 618605, 647156, 678470, 808945, 989768, 1237210, 1294312, 1356940, 1617890, 2103257, 2474420, 2713880, 3235780, 4206514, 4948840, 6471560, 8413028, 10516285, 16826056, 21032570, 42065140, 84130280]

約数ペア:

[(1, 84130280), (2, 42065140), (4, 21032570), (5, 16826056), (8, 10516285), (10, 8413028), (13, 6471560), (17, 4948840), (20, 4206514), (26, 3235780), (31, 2713880), (34, 2474420), (40, 2103257), (52, 1617890), (62, 1356940), (65, 1294312), (68, 1237210), (85, 989768), (104, 808945), (124, 678470), (130, 647156), (136, 618605), (155, 542776), (170, 494884), (221, 380680), (248, 339235), (260, 323578), (307, 274040), (310, 271388), (340, 247442), (403, 208760), (442, 190340), (520, 161789), (527, 159640), (614, 137020), (620, 135694), (680, 123721), (806, 104380), (884, 95170), (1054, 79820), (1105, 76136), (1228, 68510), (1240, 67847), (1535, 54808), (1612, 52190), (1768, 47585), (2015, 41752), (2108, 39910), (2210, 38068), (2456, 34255), (2635, 31928), (3070, 27404), (3224, 26095), (3991, 21080), (4030, 20876), (4216, 19955), (4420, 19034), (5219, 16120), (5270, 15964), (6140, 13702), (6851, 12280), (7982, 10540), (8060, 10438), (8840, 9517)]